Home / 25,513.76-38,273.42-8,658.94

Finding the Fourth Proportional to 25,513.76, 38,273.42 and 8,658.94

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Solution

The fourth proportional to 25,513.76, 38,273.42 and 8,658.94 is: 12,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.76 : 38,273.42 = 8,658.94 : x
  2. Step 2: Convert to fraction form
    25,513.76/38,273.42 = 8,658.94/x
  3. Step 3: Cross multiply
    25,513.76x = 38,273.42 × 8,658.94
  4. Step 4: Simplify right side
    25,513.76x = 331,407,247.37
  5. Step 5: Solve for x
    x = 331,407,247.37/25,513.76
  6. Step 6: Final answer
    x = 12,989.35

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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.