Home / 27,581.30-38,061.12-15,646.96

Finding the Fourth Proportional to 27,581.30, 38,061.12 and 15,646.96

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Solution

The fourth proportional to 27,581.30, 38,061.12 and 15,646.96 is: 21,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.30 : 38,061.12 = 15,646.96 : x
  2. Step 2: Convert to fraction form
    27,581.30/38,061.12 = 15,646.96/x
  3. Step 3: Cross multiply
    27,581.30x = 38,061.12 × 15,646.96
  4. Step 4: Simplify right side
    27,581.30x = 595,540,822.20
  5. Step 5: Solve for x
    x = 595,540,822.20/27,581.30
  6. Step 6: Final answer
    x = 21,592.20

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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.