Home / 28,577.13-39,436.64-16,001.88

Finding the Fourth Proportional to 28,577.13, 39,436.64 and 16,001.88

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Solution

The fourth proportional to 28,577.13, 39,436.64 and 16,001.88 is: 22,082.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.13 : 39,436.64 = 16,001.88 : x
  2. Step 2: Convert to fraction form
    28,577.13/39,436.64 = 16,001.88/x
  3. Step 3: Cross multiply
    28,577.13x = 39,436.64 × 16,001.88
  4. Step 4: Simplify right side
    28,577.13x = 631,060,380.88
  5. Step 5: Solve for x
    x = 631,060,380.88/28,577.13
  6. Step 6: Final answer
    x = 22,082.71

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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.