Home / 28,064.49-42,082.65-9,337.92

Finding the Fourth Proportional to 28,064.49, 42,082.65 and 9,337.92

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Solution

The fourth proportional to 28,064.49, 42,082.65 and 9,337.92 is: 14,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.49 : 42,082.65 = 9,337.92 : x
  2. Step 2: Convert to fraction form
    28,064.49/42,082.65 = 9,337.92/x
  3. Step 3: Cross multiply
    28,064.49x = 42,082.65 × 9,337.92
  4. Step 4: Simplify right side
    28,064.49x = 392,964,419.09
  5. Step 5: Solve for x
    x = 392,964,419.09/28,064.49
  6. Step 6: Final answer
    x = 14,002.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.