Home / 25,494.60-38,242.65-12,169.01

Finding the Fourth Proportional to 25,494.60, 38,242.65 and 12,169.01

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Solution

The fourth proportional to 25,494.60, 38,242.65 and 12,169.01 is: 18,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,494.60 : 38,242.65 = 12,169.01 : x
  2. Step 2: Convert to fraction form
    25,494.60/38,242.65 = 12,169.01/x
  3. Step 3: Cross multiply
    25,494.60x = 38,242.65 × 12,169.01
  4. Step 4: Simplify right side
    25,494.60x = 465,374,999.06
  5. Step 5: Solve for x
    x = 465,374,999.06/25,494.60
  6. Step 6: Final answer
    x = 18,253.87

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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.