Home / 25,717.92-35,502.27-15,108.21

Finding the Fourth Proportional to 25,717.92, 35,502.27 and 15,108.21

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Solution

The fourth proportional to 25,717.92, 35,502.27 and 15,108.21 is: 20,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.92 : 35,502.27 = 15,108.21 : x
  2. Step 2: Convert to fraction form
    25,717.92/35,502.27 = 15,108.21/x
  3. Step 3: Cross multiply
    25,717.92x = 35,502.27 × 15,108.21
  4. Step 4: Simplify right side
    25,717.92x = 536,375,750.64
  5. Step 5: Solve for x
    x = 536,375,750.64/25,717.92
  6. Step 6: Final answer
    x = 20,856.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.