Home / 28,044.16-42,072-10,513.92

Finding the Fourth Proportional to 28,044.16, 42,072 and 10,513.92

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Solution

The fourth proportional to 28,044.16, 42,072 and 10,513.92 is: 15,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.16 : 42,072 = 10,513.92 : x
  2. Step 2: Convert to fraction form
    28,044.16/42,072 = 10,513.92/x
  3. Step 3: Cross multiply
    28,044.16x = 42,072 × 10,513.92
  4. Step 4: Simplify right side
    28,044.16x = 442,341,642.24
  5. Step 5: Solve for x
    x = 442,341,642.24/28,044.16
  6. Step 6: Final answer
    x = 15,773.04

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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.