Home / 26,815.40-40,223.13-13,677.00

Finding the Fourth Proportional to 26,815.40, 40,223.13 and 13,677.00

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Solution

The fourth proportional to 26,815.40, 40,223.13 and 13,677.00 is: 20,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.40 : 40,223.13 = 13,677.00 : x
  2. Step 2: Convert to fraction form
    26,815.40/40,223.13 = 13,677.00/x
  3. Step 3: Cross multiply
    26,815.40x = 40,223.13 × 13,677.00
  4. Step 4: Simplify right side
    26,815.40x = 550,131,850.07
  5. Step 5: Solve for x
    x = 550,131,850.07/26,815.40
  6. Step 6: Final answer
    x = 20,515.52

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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.