Home / 25,195.20-37,821.90-13,531.20

Finding the Fourth Proportional to 25,195.20, 37,821.90 and 13,531.20

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Solution

The fourth proportional to 25,195.20, 37,821.90 and 13,531.20 is: 20,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,195.20 : 37,821.90 = 13,531.20 : x
  2. Step 2: Convert to fraction form
    25,195.20/37,821.90 = 13,531.20/x
  3. Step 3: Cross multiply
    25,195.20x = 37,821.90 × 13,531.20
  4. Step 4: Simplify right side
    25,195.20x = 511,775,693.28
  5. Step 5: Solve for x
    x = 511,775,693.28/25,195.20
  6. Step 6: Final answer
    x = 20,312.43

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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.