Home / 27,850.16-38,432.52-15,275.12

Finding the Fourth Proportional to 27,850.16, 38,432.52 and 15,275.12

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Solution

The fourth proportional to 27,850.16, 38,432.52 and 15,275.12 is: 21,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.16 : 38,432.52 = 15,275.12 : x
  2. Step 2: Convert to fraction form
    27,850.16/38,432.52 = 15,275.12/x
  3. Step 3: Cross multiply
    27,850.16x = 38,432.52 × 15,275.12
  4. Step 4: Simplify right side
    27,850.16x = 587,061,354.90
  5. Step 5: Solve for x
    x = 587,061,354.90/27,850.16
  6. Step 6: Final answer
    x = 21,079.28

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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.