Home / 28,765.20-43,167.48-10,045.22

Finding the Fourth Proportional to 28,765.20, 43,167.48 and 10,045.22

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Solution

The fourth proportional to 28,765.20, 43,167.48 and 10,045.22 is: 15,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765.20 : 43,167.48 = 10,045.22 : x
  2. Step 2: Convert to fraction form
    28,765.20/43,167.48 = 10,045.22/x
  3. Step 3: Cross multiply
    28,765.20x = 43,167.48 × 10,045.22
  4. Step 4: Simplify right side
    28,765.20x = 433,626,833.45
  5. Step 5: Solve for x
    x = 433,626,833.45/28,765.20
  6. Step 6: Final answer
    x = 15,074.70

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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.