Home / 26,677.85-39,984.80-12,427.11

Finding the Fourth Proportional to 26,677.85, 39,984.80 and 12,427.11

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Solution

The fourth proportional to 26,677.85, 39,984.80 and 12,427.11 is: 18,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,677.85 : 39,984.80 = 12,427.11 : x
  2. Step 2: Convert to fraction form
    26,677.85/39,984.80 = 12,427.11/x
  3. Step 3: Cross multiply
    26,677.85x = 39,984.80 × 12,427.11
  4. Step 4: Simplify right side
    26,677.85x = 496,895,507.93
  5. Step 5: Solve for x
    x = 496,895,507.93/26,677.85
  6. Step 6: Final answer
    x = 18,625.77

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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.