Home / 25,877.28-38,825.76-10,305.84

Finding the Fourth Proportional to 25,877.28, 38,825.76 and 10,305.84

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Solution

The fourth proportional to 25,877.28, 38,825.76 and 10,305.84 is: 15,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877.28 : 38,825.76 = 10,305.84 : x
  2. Step 2: Convert to fraction form
    25,877.28/38,825.76 = 10,305.84/x
  3. Step 3: Cross multiply
    25,877.28x = 38,825.76 × 10,305.84
  4. Step 4: Simplify right side
    25,877.28x = 400,132,070.44
  5. Step 5: Solve for x
    x = 400,132,070.44/25,877.28
  6. Step 6: Final answer
    x = 15,462.68

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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.