Home / 25,717.68-38,576.52-10,135.20

Finding the Fourth Proportional to 25,717.68, 38,576.52 and 10,135.20

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Solution

The fourth proportional to 25,717.68, 38,576.52 and 10,135.20 is: 15,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.68 : 38,576.52 = 10,135.20 : x
  2. Step 2: Convert to fraction form
    25,717.68/38,576.52 = 10,135.20/x
  3. Step 3: Cross multiply
    25,717.68x = 38,576.52 × 10,135.20
  4. Step 4: Simplify right side
    25,717.68x = 390,980,745.50
  5. Step 5: Solve for x
    x = 390,980,745.50/25,717.68
  6. Step 6: Final answer
    x = 15,202.80

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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.