Home / 25,391.25-35,031.83-16,445.61

Finding the Fourth Proportional to 25,391.25, 35,031.83 and 16,445.61

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Solution

The fourth proportional to 25,391.25, 35,031.83 and 16,445.61 is: 22,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.25 : 35,031.83 = 16,445.61 : x
  2. Step 2: Convert to fraction form
    25,391.25/35,031.83 = 16,445.61/x
  3. Step 3: Cross multiply
    25,391.25x = 35,031.83 × 16,445.61
  4. Step 4: Simplify right side
    25,391.25x = 576,119,731.54
  5. Step 5: Solve for x
    x = 576,119,731.54/25,391.25
  6. Step 6: Final answer
    x = 22,689.70

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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.