Home / 26,126.30-39,178.10-9,480.80

Finding the Fourth Proportional to 26,126.30, 39,178.10 and 9,480.80

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Solution

The fourth proportional to 26,126.30, 39,178.10 and 9,480.80 is: 14,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.30 : 39,178.10 = 9,480.80 : x
  2. Step 2: Convert to fraction form
    26,126.30/39,178.10 = 9,480.80/x
  3. Step 3: Cross multiply
    26,126.30x = 39,178.10 × 9,480.80
  4. Step 4: Simplify right side
    26,126.30x = 371,439,730.48
  5. Step 5: Solve for x
    x = 371,439,730.48/26,126.30
  6. Step 6: Final answer
    x = 14,217.08

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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.