Home / 27,961.16-38,586.08-15,214.72

Finding the Fourth Proportional to 27,961.16, 38,586.08 and 15,214.72

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Solution

The fourth proportional to 27,961.16, 38,586.08 and 15,214.72 is: 20,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.16 : 38,586.08 = 15,214.72 : x
  2. Step 2: Convert to fraction form
    27,961.16/38,586.08 = 15,214.72/x
  3. Step 3: Cross multiply
    27,961.16x = 38,586.08 × 15,214.72
  4. Step 4: Simplify right side
    27,961.16x = 587,076,403.10
  5. Step 5: Solve for x
    x = 587,076,403.10/27,961.16
  6. Step 6: Final answer
    x = 20,996.14

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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.