Home / 26,279.10-39,418.65-14,469.30

Finding the Fourth Proportional to 26,279.10, 39,418.65 and 14,469.30

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Solution

The fourth proportional to 26,279.10, 39,418.65 and 14,469.30 is: 21,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.10 : 39,418.65 = 14,469.30 : x
  2. Step 2: Convert to fraction form
    26,279.10/39,418.65 = 14,469.30/x
  3. Step 3: Cross multiply
    26,279.10x = 39,418.65 × 14,469.30
  4. Step 4: Simplify right side
    26,279.10x = 570,360,272.45
  5. Step 5: Solve for x
    x = 570,360,272.45/26,279.10
  6. Step 6: Final answer
    x = 21,703.95

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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.