Home / 38,839.20-53,561.12-25,406.24

Finding the Fourth Proportional to 38,839.20, 53,561.12 and 25,406.24

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Solution

The fourth proportional to 38,839.20, 53,561.12 and 25,406.24 is: 35,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.20 : 53,561.12 = 25,406.24 : x
  2. Step 2: Convert to fraction form
    38,839.20/53,561.12 = 25,406.24/x
  3. Step 3: Cross multiply
    38,839.20x = 53,561.12 × 25,406.24
  4. Step 4: Simplify right side
    38,839.20x = 1,360,786,669.39
  5. Step 5: Solve for x
    x = 1,360,786,669.39/38,839.20
  6. Step 6: Final answer
    x = 35,036.42

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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.