Home / 25,553.70-38,330.55-15,531.30

Finding the Fourth Proportional to 25,553.70, 38,330.55 and 15,531.30

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Solution

The fourth proportional to 25,553.70, 38,330.55 and 15,531.30 is: 23,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.70 : 38,330.55 = 15,531.30 : x
  2. Step 2: Convert to fraction form
    25,553.70/38,330.55 = 15,531.30/x
  3. Step 3: Cross multiply
    25,553.70x = 38,330.55 × 15,531.30
  4. Step 4: Simplify right side
    25,553.70x = 595,323,271.22
  5. Step 5: Solve for x
    x = 595,323,271.22/25,553.70
  6. Step 6: Final answer
    x = 23,296.95

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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.