Home / 26,160.17-39,245.72-8,642.30

Finding the Fourth Proportional to 26,160.17, 39,245.72 and 8,642.30

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Solution

The fourth proportional to 26,160.17, 39,245.72 and 8,642.30 is: 12,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,160.17 : 39,245.72 = 8,642.30 : x
  2. Step 2: Convert to fraction form
    26,160.17/39,245.72 = 8,642.30/x
  3. Step 3: Cross multiply
    26,160.17x = 39,245.72 × 8,642.30
  4. Step 4: Simplify right side
    26,160.17x = 339,173,046.52
  5. Step 5: Solve for x
    x = 339,173,046.52/26,160.17
  6. Step 6: Final answer
    x = 12,965.25

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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.