Home / 26,123.36-39,185.88-8,591.20

Finding the Fourth Proportional to 26,123.36, 39,185.88 and 8,591.20

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Solution

The fourth proportional to 26,123.36, 39,185.88 and 8,591.20 is: 12,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.36 : 39,185.88 = 8,591.20 : x
  2. Step 2: Convert to fraction form
    26,123.36/39,185.88 = 8,591.20/x
  3. Step 3: Cross multiply
    26,123.36x = 39,185.88 × 8,591.20
  4. Step 4: Simplify right side
    26,123.36x = 336,653,732.26
  5. Step 5: Solve for x
    x = 336,653,732.26/26,123.36
  6. Step 6: Final answer
    x = 12,887.08

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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.