Home / 38,298.80-57,480.60-17,271.20

Finding the Fourth Proportional to 38,298.80, 57,480.60 and 17,271.20

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Solution

The fourth proportional to 38,298.80, 57,480.60 and 17,271.20 is: 25,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.80 : 57,480.60 = 17,271.20 : x
  2. Step 2: Convert to fraction form
    38,298.80/57,480.60 = 17,271.20/x
  3. Step 3: Cross multiply
    38,298.80x = 57,480.60 × 17,271.20
  4. Step 4: Simplify right side
    38,298.80x = 992,758,938.72
  5. Step 5: Solve for x
    x = 992,758,938.72/38,298.80
  6. Step 6: Final answer
    x = 25,921.41

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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.