Home / 28,802.35-43,209.60-9,082.90

Finding the Fourth Proportional to 28,802.35, 43,209.60 and 9,082.90

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Solution

The fourth proportional to 28,802.35, 43,209.60 and 9,082.90 is: 13,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.35 : 43,209.60 = 9,082.90 : x
  2. Step 2: Convert to fraction form
    28,802.35/43,209.60 = 9,082.90/x
  3. Step 3: Cross multiply
    28,802.35x = 43,209.60 × 9,082.90
  4. Step 4: Simplify right side
    28,802.35x = 392,468,475.84
  5. Step 5: Solve for x
    x = 392,468,475.84/28,802.35
  6. Step 6: Final answer
    x = 13,626.27

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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.