Home / 28,337.67-42,508.89-8,616.38

Finding the Fourth Proportional to 28,337.67, 42,508.89 and 8,616.38

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Solution

The fourth proportional to 28,337.67, 42,508.89 and 8,616.38 is: 12,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.67 : 42,508.89 = 8,616.38 : x
  2. Step 2: Convert to fraction form
    28,337.67/42,508.89 = 8,616.38/x
  3. Step 3: Cross multiply
    28,337.67x = 42,508.89 × 8,616.38
  4. Step 4: Simplify right side
    28,337.67x = 366,272,537.07
  5. Step 5: Solve for x
    x = 366,272,537.07/28,337.67
  6. Step 6: Final answer
    x = 12,925.29

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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.