Home / 25,507.76-38,229.30-14,420.72

Finding the Fourth Proportional to 25,507.76, 38,229.30 and 14,420.72

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Solution

The fourth proportional to 25,507.76, 38,229.30 and 14,420.72 is: 21,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.76 : 38,229.30 = 14,420.72 : x
  2. Step 2: Convert to fraction form
    25,507.76/38,229.30 = 14,420.72/x
  3. Step 3: Cross multiply
    25,507.76x = 38,229.30 × 14,420.72
  4. Step 4: Simplify right side
    25,507.76x = 551,293,839.95
  5. Step 5: Solve for x
    x = 551,293,839.95/25,507.76
  6. Step 6: Final answer
    x = 21,612.79

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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.