Home / 26,278.85-39,422.73-11,487.44

Finding the Fourth Proportional to 26,278.85, 39,422.73 and 11,487.44

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Solution

The fourth proportional to 26,278.85, 39,422.73 and 11,487.44 is: 17,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.85 : 39,422.73 = 11,487.44 : x
  2. Step 2: Convert to fraction form
    26,278.85/39,422.73 = 11,487.44/x
  3. Step 3: Cross multiply
    26,278.85x = 39,422.73 × 11,487.44
  4. Step 4: Simplify right side
    26,278.85x = 452,866,048.40
  5. Step 5: Solve for x
    x = 452,866,048.40/26,278.85
  6. Step 6: Final answer
    x = 17,233.10

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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.