Home / 38,628.40-58,007.40-25,538.80

Finding the Fourth Proportional to 38,628.40, 58,007.40 and 25,538.80

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Solution

The fourth proportional to 38,628.40, 58,007.40 and 25,538.80 is: 38,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.40 : 58,007.40 = 25,538.80 : x
  2. Step 2: Convert to fraction form
    38,628.40/58,007.40 = 25,538.80/x
  3. Step 3: Cross multiply
    38,628.40x = 58,007.40 × 25,538.80
  4. Step 4: Simplify right side
    38,628.40x = 1,481,439,387.12
  5. Step 5: Solve for x
    x = 1,481,439,387.12/38,628.40
  6. Step 6: Final answer
    x = 38,351.04

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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.