Home / 25,329.90-38,003.06-12,180.57

Finding the Fourth Proportional to 25,329.90, 38,003.06 and 12,180.57

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Solution

The fourth proportional to 25,329.90, 38,003.06 and 12,180.57 is: 18,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.90 : 38,003.06 = 12,180.57 : x
  2. Step 2: Convert to fraction form
    25,329.90/38,003.06 = 12,180.57/x
  3. Step 3: Cross multiply
    25,329.90x = 38,003.06 × 12,180.57
  4. Step 4: Simplify right side
    25,329.90x = 462,898,932.54
  5. Step 5: Solve for x
    x = 462,898,932.54/25,329.90
  6. Step 6: Final answer
    x = 18,274.80

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1.5x scale

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.