Home / 26,713.58-40,079.66-10,078.40

Finding the Fourth Proportional to 26,713.58, 40,079.66 and 10,078.40

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Solution

The fourth proportional to 26,713.58, 40,079.66 and 10,078.40 is: 15,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,713.58 : 40,079.66 = 10,078.40 : x
  2. Step 2: Convert to fraction form
    26,713.58/40,079.66 = 10,078.40/x
  3. Step 3: Cross multiply
    26,713.58x = 40,079.66 × 10,078.40
  4. Step 4: Simplify right side
    26,713.58x = 403,938,895.15
  5. Step 5: Solve for x
    x = 403,938,895.15/26,713.58
  6. Step 6: Final answer
    x = 15,121.11

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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.