Home / 25,897.20-35,728.92-15,281.52

Finding the Fourth Proportional to 25,897.20, 35,728.92 and 15,281.52

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Solution

The fourth proportional to 25,897.20, 35,728.92 and 15,281.52 is: 21,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897.20 : 35,728.92 = 15,281.52 : x
  2. Step 2: Convert to fraction form
    25,897.20/35,728.92 = 15,281.52/x
  3. Step 3: Cross multiply
    25,897.20x = 35,728.92 × 15,281.52
  4. Step 4: Simplify right side
    25,897.20x = 545,992,205.56
  5. Step 5: Solve for x
    x = 545,992,205.56/25,897.20
  6. Step 6: Final answer
    x = 21,083.06

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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.