Home / 26,143.83-36,083.72-15,531.41

Finding the Fourth Proportional to 26,143.83, 36,083.72 and 15,531.41

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Solution

The fourth proportional to 26,143.83, 36,083.72 and 15,531.41 is: 21,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.83 : 36,083.72 = 15,531.41 : x
  2. Step 2: Convert to fraction form
    26,143.83/36,083.72 = 15,531.41/x
  3. Step 3: Cross multiply
    26,143.83x = 36,083.72 × 15,531.41
  4. Step 4: Simplify right side
    26,143.83x = 560,430,791.57
  5. Step 5: Solve for x
    x = 560,430,791.57/26,143.83
  6. Step 6: Final answer
    x = 21,436.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.