Home / 25,387.20-38,076.48-6,914.88

Finding the Fourth Proportional to 25,387.20, 38,076.48 and 6,914.88

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Solution

The fourth proportional to 25,387.20, 38,076.48 and 6,914.88 is: 10,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.20 : 38,076.48 = 6,914.88 : x
  2. Step 2: Convert to fraction form
    25,387.20/38,076.48 = 6,914.88/x
  3. Step 3: Cross multiply
    25,387.20x = 38,076.48 × 6,914.88
  4. Step 4: Simplify right side
    25,387.20x = 263,294,290.02
  5. Step 5: Solve for x
    x = 263,294,290.02/25,387.20
  6. Step 6: Final answer
    x = 10,371.14

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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.