Home / 26,888.20-40,333.20-7,168.75

Finding the Fourth Proportional to 26,888.20, 40,333.20 and 7,168.75

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Solution

The fourth proportional to 26,888.20, 40,333.20 and 7,168.75 is: 10,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,888.20 : 40,333.20 = 7,168.75 : x
  2. Step 2: Convert to fraction form
    26,888.20/40,333.20 = 7,168.75/x
  3. Step 3: Cross multiply
    26,888.20x = 40,333.20 × 7,168.75
  4. Step 4: Simplify right side
    26,888.20x = 289,138,627.50
  5. Step 5: Solve for x
    x = 289,138,627.50/26,888.20
  6. Step 6: Final answer
    x = 10,753.36

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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.