Home / 26,470.17-39,677.58-19,439.73

Finding the Fourth Proportional to 26,470.17, 39,677.58 and 19,439.73

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Solution

The fourth proportional to 26,470.17, 39,677.58 and 19,439.73 is: 29,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,470.17 : 39,677.58 = 19,439.73 : x
  2. Step 2: Convert to fraction form
    26,470.17/39,677.58 = 19,439.73/x
  3. Step 3: Cross multiply
    26,470.17x = 39,677.58 × 19,439.73
  4. Step 4: Simplify right side
    26,470.17x = 771,321,442.25
  5. Step 5: Solve for x
    x = 771,321,442.25/26,470.17
  6. Step 6: Final answer
    x = 29,139.27

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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.