Home / 25,737.60-35,521.92-18,661.44

Finding the Fourth Proportional to 25,737.60, 35,521.92 and 18,661.44

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Solution

The fourth proportional to 25,737.60, 35,521.92 and 18,661.44 is: 25,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,737.60 : 35,521.92 = 18,661.44 : x
  2. Step 2: Convert to fraction form
    25,737.60/35,521.92 = 18,661.44/x
  3. Step 3: Cross multiply
    25,737.60x = 35,521.92 × 18,661.44
  4. Step 4: Simplify right side
    25,737.60x = 662,890,178.76
  5. Step 5: Solve for x
    x = 662,890,178.76/25,737.60
  6. Step 6: Final answer
    x = 25,755.71

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1.5x scale

Why These Related Problems?

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