Home / 28,315.10-42,475.73-9,337.41

Finding the Fourth Proportional to 28,315.10, 42,475.73 and 9,337.41

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Solution

The fourth proportional to 28,315.10, 42,475.73 and 9,337.41 is: 14,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315.10 : 42,475.73 = 9,337.41 : x
  2. Step 2: Convert to fraction form
    28,315.10/42,475.73 = 9,337.41/x
  3. Step 3: Cross multiply
    28,315.10x = 42,475.73 × 9,337.41
  4. Step 4: Simplify right side
    28,315.10x = 396,613,229.62
  5. Step 5: Solve for x
    x = 396,613,229.62/28,315.10
  6. Step 6: Final answer
    x = 14,007.13

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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.