Home / 28,726.60-43,091.28-9,005.32

Finding the Fourth Proportional to 28,726.60, 43,091.28 and 9,005.32

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Solution

The fourth proportional to 28,726.60, 43,091.28 and 9,005.32 is: 13,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.60 : 43,091.28 = 9,005.32 : x
  2. Step 2: Convert to fraction form
    28,726.60/43,091.28 = 9,005.32/x
  3. Step 3: Cross multiply
    28,726.60x = 43,091.28 × 9,005.32
  4. Step 4: Simplify right side
    28,726.60x = 388,050,765.61
  5. Step 5: Solve for x
    x = 388,050,765.61/28,726.60
  6. Step 6: Final answer
    x = 13,508.41

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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.