Home / 25,549.27-38,329.67-7,781.52

Finding the Fourth Proportional to 25,549.27, 38,329.67 and 7,781.52

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Solution

The fourth proportional to 25,549.27, 38,329.67 and 7,781.52 is: 11,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.27 : 38,329.67 = 7,781.52 : x
  2. Step 2: Convert to fraction form
    25,549.27/38,329.67 = 7,781.52/x
  3. Step 3: Cross multiply
    25,549.27x = 38,329.67 × 7,781.52
  4. Step 4: Simplify right side
    25,549.27x = 298,263,093.70
  5. Step 5: Solve for x
    x = 298,263,093.70/25,549.27
  6. Step 6: Final answer
    x = 11,674.04

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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.