Home / 43,169.60-64,756-15,084.16

Finding the Fourth Proportional to 43,169.60, 64,756 and 15,084.16

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Solution

The fourth proportional to 43,169.60, 64,756 and 15,084.16 is: 22,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169.60 : 64,756 = 15,084.16 : x
  2. Step 2: Convert to fraction form
    43,169.60/64,756 = 15,084.16/x
  3. Step 3: Cross multiply
    43,169.60x = 64,756 × 15,084.16
  4. Step 4: Simplify right side
    43,169.60x = 976,789,864.96
  5. Step 5: Solve for x
    x = 976,789,864.96/43,169.60
  6. Step 6: Final answer
    x = 22,626.80

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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.