Home / 27,960.42-38,585.61-15,213.63

Finding the Fourth Proportional to 27,960.42, 38,585.61 and 15,213.63

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Solution

The fourth proportional to 27,960.42, 38,585.61 and 15,213.63 is: 20,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.42 : 38,585.61 = 15,213.63 : x
  2. Step 2: Convert to fraction form
    27,960.42/38,585.61 = 15,213.63/x
  3. Step 3: Cross multiply
    27,960.42x = 38,585.61 × 15,213.63
  4. Step 4: Simplify right side
    27,960.42x = 587,027,193.86
  5. Step 5: Solve for x
    x = 587,027,193.86/27,960.42
  6. Step 6: Final answer
    x = 20,994.93

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Half scale
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Double scale
Find fourth proportional to 27,961.42, 38,586.99 and 15,214.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.