Home / 25,689.74-35,452.08-15,079.55

Finding the Fourth Proportional to 25,689.74, 35,452.08 and 15,079.55

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Solution

The fourth proportional to 25,689.74, 35,452.08 and 15,079.55 is: 20,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.74 : 35,452.08 = 15,079.55 : x
  2. Step 2: Convert to fraction form
    25,689.74/35,452.08 = 15,079.55/x
  3. Step 3: Cross multiply
    25,689.74x = 35,452.08 × 15,079.55
  4. Step 4: Simplify right side
    25,689.74x = 534,601,235.70
  5. Step 5: Solve for x
    x = 534,601,235.70/25,689.74
  6. Step 6: Final answer
    x = 20,809.92

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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.