Home / 25,655.76-38,414.04-13,317.84

Finding the Fourth Proportional to 25,655.76, 38,414.04 and 13,317.84

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Solution

The fourth proportional to 25,655.76, 38,414.04 and 13,317.84 is: 19,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.76 : 38,414.04 = 13,317.84 : x
  2. Step 2: Convert to fraction form
    25,655.76/38,414.04 = 13,317.84/x
  3. Step 3: Cross multiply
    25,655.76x = 38,414.04 × 13,317.84
  4. Step 4: Simplify right side
    25,655.76x = 511,592,038.47
  5. Step 5: Solve for x
    x = 511,592,038.47/25,655.76
  6. Step 6: Final answer
    x = 19,940.63

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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.