Home / 28,722.69-43,084.04-9,001.24

Finding the Fourth Proportional to 28,722.69, 43,084.04 and 9,001.24

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Solution

The fourth proportional to 28,722.69, 43,084.04 and 9,001.24 is: 13,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.69 : 43,084.04 = 9,001.24 : x
  2. Step 2: Convert to fraction form
    28,722.69/43,084.04 = 9,001.24/x
  3. Step 3: Cross multiply
    28,722.69x = 43,084.04 × 9,001.24
  4. Step 4: Simplify right side
    28,722.69x = 387,809,784.21
  5. Step 5: Solve for x
    x = 387,809,784.21/28,722.69
  6. Step 6: Final answer
    x = 13,501.86

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Double scale
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Similar ratio
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1.5x scale

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.