Home / 26,008.78-39,017.22-8,474.53

Finding the Fourth Proportional to 26,008.78, 39,017.22 and 8,474.53

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Solution

The fourth proportional to 26,008.78, 39,017.22 and 8,474.53 is: 12,713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,008.78 : 39,017.22 = 8,474.53 : x
  2. Step 2: Convert to fraction form
    26,008.78/39,017.22 = 8,474.53/x
  3. Step 3: Cross multiply
    26,008.78x = 39,017.22 × 8,474.53
  4. Step 4: Simplify right side
    26,008.78x = 330,652,601.41
  5. Step 5: Solve for x
    x = 330,652,601.41/26,008.78
  6. Step 6: Final answer
    x = 12,713.11

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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.