Home / 38,425.20-57,637.80-10,723.20

Finding the Fourth Proportional to 38,425.20, 57,637.80 and 10,723.20

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Solution

The fourth proportional to 38,425.20, 57,637.80 and 10,723.20 is: 16,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.20 : 57,637.80 = 10,723.20 : x
  2. Step 2: Convert to fraction form
    38,425.20/57,637.80 = 10,723.20/x
  3. Step 3: Cross multiply
    38,425.20x = 57,637.80 × 10,723.20
  4. Step 4: Simplify right side
    38,425.20x = 618,061,656.96
  5. Step 5: Solve for x
    x = 618,061,656.96/38,425.20
  6. Step 6: Final answer
    x = 16,084.80

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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.