Home / 38,455.60-57,663.39-17,385.56

Finding the Fourth Proportional to 38,455.60, 57,663.39 and 17,385.56

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Solution

The fourth proportional to 38,455.60, 57,663.39 and 17,385.56 is: 26,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.60 : 57,663.39 = 17,385.56 : x
  2. Step 2: Convert to fraction form
    38,455.60/57,663.39 = 17,385.56/x
  3. Step 3: Cross multiply
    38,455.60x = 57,663.39 × 17,385.56
  4. Step 4: Simplify right side
    38,455.60x = 1,002,510,326.65
  5. Step 5: Solve for x
    x = 1,002,510,326.65/38,455.60
  6. Step 6: Final answer
    x = 26,069.29

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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.