Home / 28,658.39-42,984.51-17,545.70

Finding the Fourth Proportional to 28,658.39, 42,984.51 and 17,545.70

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Solution

The fourth proportional to 28,658.39, 42,984.51 and 17,545.70 is: 26,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.39 : 42,984.51 = 17,545.70 : x
  2. Step 2: Convert to fraction form
    28,658.39/42,984.51 = 17,545.70/x
  3. Step 3: Cross multiply
    28,658.39x = 42,984.51 × 17,545.70
  4. Step 4: Simplify right side
    28,658.39x = 754,193,102.18
  5. Step 5: Solve for x
    x = 754,193,102.18/28,658.39
  6. Step 6: Final answer
    x = 26,316.66

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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.