Home / 25,471.28-38,208.60-6,751.05

Finding the Fourth Proportional to 25,471.28, 38,208.60 and 6,751.05

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Solution

The fourth proportional to 25,471.28, 38,208.60 and 6,751.05 is: 10,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.28 : 38,208.60 = 6,751.05 : x
  2. Step 2: Convert to fraction form
    25,471.28/38,208.60 = 6,751.05/x
  3. Step 3: Cross multiply
    25,471.28x = 38,208.60 × 6,751.05
  4. Step 4: Simplify right side
    25,471.28x = 257,948,169.03
  5. Step 5: Solve for x
    x = 257,948,169.03/25,471.28
  6. Step 6: Final answer
    x = 10,127.02

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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.