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Finding the Fourth Proportional to 25,155.95, 34,713.53 and 13,825.20

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Solution

The fourth proportional to 25,155.95, 34,713.53 and 13,825.20 is: 19,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.95 : 34,713.53 = 13,825.20 : x
  2. Step 2: Convert to fraction form
    25,155.95/34,713.53 = 13,825.20/x
  3. Step 3: Cross multiply
    25,155.95x = 34,713.53 × 13,825.20
  4. Step 4: Simplify right side
    25,155.95x = 479,921,425.83
  5. Step 5: Solve for x
    x = 479,921,425.83/25,155.95
  6. Step 6: Final answer
    x = 19,077.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.