Home / 25,177.20-34,746.35-15,105.39

Finding the Fourth Proportional to 25,177.20, 34,746.35 and 15,105.39

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Solution

The fourth proportional to 25,177.20, 34,746.35 and 15,105.39 is: 20,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.20 : 34,746.35 = 15,105.39 : x
  2. Step 2: Convert to fraction form
    25,177.20/34,746.35 = 15,105.39/x
  3. Step 3: Cross multiply
    25,177.20x = 34,746.35 × 15,105.39
  4. Step 4: Simplify right side
    25,177.20x = 524,857,092.30
  5. Step 5: Solve for x
    x = 524,857,092.30/25,177.20
  6. Step 6: Final answer
    x = 20,846.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.