Home / 38,222.80-57,334.20-25,781.20

Finding the Fourth Proportional to 38,222.80, 57,334.20 and 25,781.20

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Solution

The fourth proportional to 38,222.80, 57,334.20 and 25,781.20 is: 38,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,222.80 : 57,334.20 = 25,781.20 : x
  2. Step 2: Convert to fraction form
    38,222.80/57,334.20 = 25,781.20/x
  3. Step 3: Cross multiply
    38,222.80x = 57,334.20 × 25,781.20
  4. Step 4: Simplify right side
    38,222.80x = 1,478,144,477.04
  5. Step 5: Solve for x
    x = 1,478,144,477.04/38,222.80
  6. Step 6: Final answer
    x = 38,671.80

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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.