Home / 25,971.80-38,963.48-12,113.24

Finding the Fourth Proportional to 25,971.80, 38,963.48 and 12,113.24

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Solution

The fourth proportional to 25,971.80, 38,963.48 and 12,113.24 is: 18,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,971.80 : 38,963.48 = 12,113.24 : x
  2. Step 2: Convert to fraction form
    25,971.80/38,963.48 = 12,113.24/x
  3. Step 3: Cross multiply
    25,971.80x = 38,963.48 × 12,113.24
  4. Step 4: Simplify right side
    25,971.80x = 471,973,984.48
  5. Step 5: Solve for x
    x = 471,973,984.48/25,971.80
  6. Step 6: Final answer
    x = 18,172.56

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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.