Home / 25,480.90-38,224.38-12,323.81

Finding the Fourth Proportional to 25,480.90, 38,224.38 and 12,323.81

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Solution

The fourth proportional to 25,480.90, 38,224.38 and 12,323.81 is: 18,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,480.90 : 38,224.38 = 12,323.81 : x
  2. Step 2: Convert to fraction form
    25,480.90/38,224.38 = 12,323.81/x
  3. Step 3: Cross multiply
    25,480.90x = 38,224.38 × 12,323.81
  4. Step 4: Simplify right side
    25,480.90x = 471,069,996.49
  5. Step 5: Solve for x
    x = 471,069,996.49/25,480.90
  6. Step 6: Final answer
    x = 18,487.18

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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.