Home / 38,560.40-57,829.80-12,273.20

Finding the Fourth Proportional to 38,560.40, 57,829.80 and 12,273.20

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Solution

The fourth proportional to 38,560.40, 57,829.80 and 12,273.20 is: 18,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.40 : 57,829.80 = 12,273.20 : x
  2. Step 2: Convert to fraction form
    38,560.40/57,829.80 = 12,273.20/x
  3. Step 3: Cross multiply
    38,560.40x = 57,829.80 × 12,273.20
  4. Step 4: Simplify right side
    38,560.40x = 709,756,701.36
  5. Step 5: Solve for x
    x = 709,756,701.36/38,560.40
  6. Step 6: Final answer
    x = 18,406.36

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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.