Home / 28,301.10-42,449.19-9,580.74

Finding the Fourth Proportional to 28,301.10, 42,449.19 and 9,580.74

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Solution

The fourth proportional to 28,301.10, 42,449.19 and 9,580.74 is: 14,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.10 : 42,449.19 = 9,580.74 : x
  2. Step 2: Convert to fraction form
    28,301.10/42,449.19 = 9,580.74/x
  3. Step 3: Cross multiply
    28,301.10x = 42,449.19 × 9,580.74
  4. Step 4: Simplify right side
    28,301.10x = 406,694,652.60
  5. Step 5: Solve for x
    x = 406,694,652.60/28,301.10
  6. Step 6: Final answer
    x = 14,370.28

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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.