Home / 38,005.80-57,008.70-25,321.20

Finding the Fourth Proportional to 38,005.80, 57,008.70 and 25,321.20

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Solution

The fourth proportional to 38,005.80, 57,008.70 and 25,321.20 is: 37,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.80 : 57,008.70 = 25,321.20 : x
  2. Step 2: Convert to fraction form
    38,005.80/57,008.70 = 25,321.20/x
  3. Step 3: Cross multiply
    38,005.80x = 57,008.70 × 25,321.20
  4. Step 4: Simplify right side
    38,005.80x = 1,443,528,694.44
  5. Step 5: Solve for x
    x = 1,443,528,694.44/38,005.80
  6. Step 6: Final answer
    x = 37,981.80

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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.