Home / 28,489.67-39,309.03-16,545.92

Finding the Fourth Proportional to 28,489.67, 39,309.03 and 16,545.92

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Solution

The fourth proportional to 28,489.67, 39,309.03 and 16,545.92 is: 22,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489.67 : 39,309.03 = 16,545.92 : x
  2. Step 2: Convert to fraction form
    28,489.67/39,309.03 = 16,545.92/x
  3. Step 3: Cross multiply
    28,489.67x = 39,309.03 × 16,545.92
  4. Step 4: Simplify right side
    28,489.67x = 650,403,869.11
  5. Step 5: Solve for x
    x = 650,403,869.11/28,489.67
  6. Step 6: Final answer
    x = 22,829.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.