Home / 25,835.04-38,720.04-13,988.34

Finding the Fourth Proportional to 25,835.04, 38,720.04 and 13,988.34

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Solution

The fourth proportional to 25,835.04, 38,720.04 and 13,988.34 is: 20,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.04 : 38,720.04 = 13,988.34 : x
  2. Step 2: Convert to fraction form
    25,835.04/38,720.04 = 13,988.34/x
  3. Step 3: Cross multiply
    25,835.04x = 38,720.04 × 13,988.34
  4. Step 4: Simplify right side
    25,835.04x = 541,629,084.33
  5. Step 5: Solve for x
    x = 541,629,084.33/25,835.04
  6. Step 6: Final answer
    x = 20,964.90

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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.