Home / 25,553.20-38,336.18-25,129.40

Finding the Fourth Proportional to 25,553.20, 38,336.18 and 25,129.40

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Solution

The fourth proportional to 25,553.20, 38,336.18 and 25,129.40 is: 37,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.20 : 38,336.18 = 25,129.40 : x
  2. Step 2: Convert to fraction form
    25,553.20/38,336.18 = 25,129.40/x
  3. Step 3: Cross multiply
    25,553.20x = 38,336.18 × 25,129.40
  4. Step 4: Simplify right side
    25,553.20x = 963,365,201.69
  5. Step 5: Solve for x
    x = 963,365,201.69/25,553.20
  6. Step 6: Final answer
    x = 37,700.37

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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.