Home / 28,553.90-39,398.81-17,937.39

Finding the Fourth Proportional to 28,553.90, 39,398.81 and 17,937.39

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Solution

The fourth proportional to 28,553.90, 39,398.81 and 17,937.39 is: 24,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.90 : 39,398.81 = 17,937.39 : x
  2. Step 2: Convert to fraction form
    28,553.90/39,398.81 = 17,937.39/x
  3. Step 3: Cross multiply
    28,553.90x = 39,398.81 × 17,937.39
  4. Step 4: Simplify right side
    28,553.90x = 706,711,601.54
  5. Step 5: Solve for x
    x = 706,711,601.54/28,553.90
  6. Step 6: Final answer
    x = 24,750.09

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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.