Home / 26,505.22-39,757.86-12,454.95

Finding the Fourth Proportional to 26,505.22, 39,757.86 and 12,454.95

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Solution

The fourth proportional to 26,505.22, 39,757.86 and 12,454.95 is: 18,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.22 : 39,757.86 = 12,454.95 : x
  2. Step 2: Convert to fraction form
    26,505.22/39,757.86 = 12,454.95/x
  3. Step 3: Cross multiply
    26,505.22x = 39,757.86 × 12,454.95
  4. Step 4: Simplify right side
    26,505.22x = 495,182,158.41
  5. Step 5: Solve for x
    x = 495,182,158.41/26,505.22
  6. Step 6: Final answer
    x = 18,682.44

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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.