Home / 27,767.15-38,318.97-15,191.63

Finding the Fourth Proportional to 27,767.15, 38,318.97 and 15,191.63

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Solution

The fourth proportional to 27,767.15, 38,318.97 and 15,191.63 is: 20,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,767.15 : 38,318.97 = 15,191.63 : x
  2. Step 2: Convert to fraction form
    27,767.15/38,318.97 = 15,191.63/x
  3. Step 3: Cross multiply
    27,767.15x = 38,318.97 × 15,191.63
  4. Step 4: Simplify right side
    27,767.15x = 582,127,422.63
  5. Step 5: Solve for x
    x = 582,127,422.63/27,767.15
  6. Step 6: Final answer
    x = 20,964.61

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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.