Home / 25,613.32-38,422.26-9,817.72

Finding the Fourth Proportional to 25,613.32, 38,422.26 and 9,817.72

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Solution

The fourth proportional to 25,613.32, 38,422.26 and 9,817.72 is: 14,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.32 : 38,422.26 = 9,817.72 : x
  2. Step 2: Convert to fraction form
    25,613.32/38,422.26 = 9,817.72/x
  3. Step 3: Cross multiply
    25,613.32x = 38,422.26 × 9,817.72
  4. Step 4: Simplify right side
    25,613.32x = 377,218,990.45
  5. Step 5: Solve for x
    x = 377,218,990.45/25,613.32
  6. Step 6: Final answer
    x = 14,727.45

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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.