Home / 28,432.67-42,639.49-9,452.93

Finding the Fourth Proportional to 28,432.67, 42,639.49 and 9,452.93

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Solution

The fourth proportional to 28,432.67, 42,639.49 and 9,452.93 is: 14,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.67 : 42,639.49 = 9,452.93 : x
  2. Step 2: Convert to fraction form
    28,432.67/42,639.49 = 9,452.93/x
  3. Step 3: Cross multiply
    28,432.67x = 42,639.49 × 9,452.93
  4. Step 4: Simplify right side
    28,432.67x = 403,067,877.38
  5. Step 5: Solve for x
    x = 403,067,877.38/28,432.67
  6. Step 6: Final answer
    x = 14,176.23

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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.