Home / 38,409.28-57,613.78-15,019.24

Finding the Fourth Proportional to 38,409.28, 57,613.78 and 15,019.24

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Solution

The fourth proportional to 38,409.28, 57,613.78 and 15,019.24 is: 22,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409.28 : 57,613.78 = 15,019.24 : x
  2. Step 2: Convert to fraction form
    38,409.28/57,613.78 = 15,019.24/x
  3. Step 3: Cross multiply
    38,409.28x = 57,613.78 × 15,019.24
  4. Step 4: Simplify right side
    38,409.28x = 865,315,189.13
  5. Step 5: Solve for x
    x = 865,315,189.13/38,409.28
  6. Step 6: Final answer
    x = 22,528.81

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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.