Home / 25,110.20-34,652.12-13,780.68

Finding the Fourth Proportional to 25,110.20, 34,652.12 and 13,780.68

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Solution

The fourth proportional to 25,110.20, 34,652.12 and 13,780.68 is: 19,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.20 : 34,652.12 = 13,780.68 : x
  2. Step 2: Convert to fraction form
    25,110.20/34,652.12 = 13,780.68/x
  3. Step 3: Cross multiply
    25,110.20x = 34,652.12 × 13,780.68
  4. Step 4: Simplify right side
    25,110.20x = 477,529,708.14
  5. Step 5: Solve for x
    x = 477,529,708.14/25,110.20
  6. Step 6: Final answer
    x = 19,017.36

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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.