Home / 36,209.60-54,265.80-25,809.20

Finding the Fourth Proportional to 36,209.60, 54,265.80 and 25,809.20

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Solution

The fourth proportional to 36,209.60, 54,265.80 and 25,809.20 is: 38,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,209.60 : 54,265.80 = 25,809.20 : x
  2. Step 2: Convert to fraction form
    36,209.60/54,265.80 = 25,809.20/x
  3. Step 3: Cross multiply
    36,209.60x = 54,265.80 × 25,809.20
  4. Step 4: Simplify right side
    36,209.60x = 1,400,556,885.36
  5. Step 5: Solve for x
    x = 1,400,556,885.36/36,209.60
  6. Step 6: Final answer
    x = 38,679.16

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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.