Home / 25,119.20-34,641.96-18,761.19

Finding the Fourth Proportional to 25,119.20, 34,641.96 and 18,761.19

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Solution

The fourth proportional to 25,119.20, 34,641.96 and 18,761.19 is: 25,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,119.20 : 34,641.96 = 18,761.19 : x
  2. Step 2: Convert to fraction form
    25,119.20/34,641.96 = 18,761.19/x
  3. Step 3: Cross multiply
    25,119.20x = 34,641.96 × 18,761.19
  4. Step 4: Simplify right side
    25,119.20x = 649,924,393.53
  5. Step 5: Solve for x
    x = 649,924,393.53/25,119.20
  6. Step 6: Final answer
    x = 25,873.61

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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.