Home / 26,129.62-39,106.95-21,449.44

Finding the Fourth Proportional to 26,129.62, 39,106.95 and 21,449.44

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Solution

The fourth proportional to 26,129.62, 39,106.95 and 21,449.44 is: 32,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.62 : 39,106.95 = 21,449.44 : x
  2. Step 2: Convert to fraction form
    26,129.62/39,106.95 = 21,449.44/x
  3. Step 3: Cross multiply
    26,129.62x = 39,106.95 × 21,449.44
  4. Step 4: Simplify right side
    26,129.62x = 838,822,177.61
  5. Step 5: Solve for x
    x = 838,822,177.61/26,129.62
  6. Step 6: Final answer
    x = 32,102.35

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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.