Home / 26,422.60-39,666.30-26,228.20

Finding the Fourth Proportional to 26,422.60, 39,666.30 and 26,228.20

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Solution

The fourth proportional to 26,422.60, 39,666.30 and 26,228.20 is: 39,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.60 : 39,666.30 = 26,228.20 : x
  2. Step 2: Convert to fraction form
    26,422.60/39,666.30 = 26,228.20/x
  3. Step 3: Cross multiply
    26,422.60x = 39,666.30 × 26,228.20
  4. Step 4: Simplify right side
    26,422.60x = 1,040,375,649.66
  5. Step 5: Solve for x
    x = 1,040,375,649.66/26,422.60
  6. Step 6: Final answer
    x = 39,374.46

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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.