Home / 28,930.80-43,331.40-15,063.60

Finding the Fourth Proportional to 28,930.80, 43,331.40 and 15,063.60

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Solution

The fourth proportional to 28,930.80, 43,331.40 and 15,063.60 is: 22,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.80 : 43,331.40 = 15,063.60 : x
  2. Step 2: Convert to fraction form
    28,930.80/43,331.40 = 15,063.60/x
  3. Step 3: Cross multiply
    28,930.80x = 43,331.40 × 15,063.60
  4. Step 4: Simplify right side
    28,930.80x = 652,726,877.04
  5. Step 5: Solve for x
    x = 652,726,877.04/28,930.80
  6. Step 6: Final answer
    x = 22,561.66

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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.