Home / 38,357.80-57,532.22-10,280.28

Finding the Fourth Proportional to 38,357.80, 57,532.22 and 10,280.28

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Solution

The fourth proportional to 38,357.80, 57,532.22 and 10,280.28 is: 15,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.80 : 57,532.22 = 10,280.28 : x
  2. Step 2: Convert to fraction form
    38,357.80/57,532.22 = 10,280.28/x
  3. Step 3: Cross multiply
    38,357.80x = 57,532.22 × 10,280.28
  4. Step 4: Simplify right side
    38,357.80x = 591,447,330.62
  5. Step 5: Solve for x
    x = 591,447,330.62/38,357.80
  6. Step 6: Final answer
    x = 15,419.22

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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.