Home / 26,275.70-39,412.44-12,230.90

Finding the Fourth Proportional to 26,275.70, 39,412.44 and 12,230.90

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Solution

The fourth proportional to 26,275.70, 39,412.44 and 12,230.90 is: 18,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,275.70 : 39,412.44 = 12,230.90 : x
  2. Step 2: Convert to fraction form
    26,275.70/39,412.44 = 12,230.90/x
  3. Step 3: Cross multiply
    26,275.70x = 39,412.44 × 12,230.90
  4. Step 4: Simplify right side
    26,275.70x = 482,049,415.33
  5. Step 5: Solve for x
    x = 482,049,415.33/26,275.70
  6. Step 6: Final answer
    x = 18,345.83

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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.