Home / 25,708.12-38,507.50-15,166.78

Finding the Fourth Proportional to 25,708.12, 38,507.50 and 15,166.78

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Solution

The fourth proportional to 25,708.12, 38,507.50 and 15,166.78 is: 22,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.12 : 38,507.50 = 15,166.78 : x
  2. Step 2: Convert to fraction form
    25,708.12/38,507.50 = 15,166.78/x
  3. Step 3: Cross multiply
    25,708.12x = 38,507.50 × 15,166.78
  4. Step 4: Simplify right side
    25,708.12x = 584,034,703.54
  5. Step 5: Solve for x
    x = 584,034,703.54/25,708.12
  6. Step 6: Final answer
    x = 22,717.91

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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.