Home / 26,989.66-40,487.40-10,363.78

Finding the Fourth Proportional to 26,989.66, 40,487.40 and 10,363.78

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Solution

The fourth proportional to 26,989.66, 40,487.40 and 10,363.78 is: 15,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.66 : 40,487.40 = 10,363.78 : x
  2. Step 2: Convert to fraction form
    26,989.66/40,487.40 = 10,363.78/x
  3. Step 3: Cross multiply
    26,989.66x = 40,487.40 × 10,363.78
  4. Step 4: Simplify right side
    26,989.66x = 419,602,506.37
  5. Step 5: Solve for x
    x = 419,602,506.37/26,989.66
  6. Step 6: Final answer
    x = 15,546.79

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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.