Home / 25,743.87-38,549.61-17,835.12

Finding the Fourth Proportional to 25,743.87, 38,549.61 and 17,835.12

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Solution

The fourth proportional to 25,743.87, 38,549.61 and 17,835.12 is: 26,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.87 : 38,549.61 = 17,835.12 : x
  2. Step 2: Convert to fraction form
    25,743.87/38,549.61 = 17,835.12/x
  3. Step 3: Cross multiply
    25,743.87x = 38,549.61 × 17,835.12
  4. Step 4: Simplify right side
    25,743.87x = 687,536,920.30
  5. Step 5: Solve for x
    x = 687,536,920.30/25,743.87
  6. Step 6: Final answer
    x = 26,706.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.