Home / 26,761.83-40,115.40-17,420.60

Finding the Fourth Proportional to 26,761.83, 40,115.40 and 17,420.60

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Solution

The fourth proportional to 26,761.83, 40,115.40 and 17,420.60 is: 26,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.83 : 40,115.40 = 17,420.60 : x
  2. Step 2: Convert to fraction form
    26,761.83/40,115.40 = 17,420.60/x
  3. Step 3: Cross multiply
    26,761.83x = 40,115.40 × 17,420.60
  4. Step 4: Simplify right side
    26,761.83x = 698,834,470.19
  5. Step 5: Solve for x
    x = 698,834,470.19/26,761.83
  6. Step 6: Final answer
    x = 26,113.11

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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.