Home / 26,986.56-40,442.28-13,811.10

Finding the Fourth Proportional to 26,986.56, 40,442.28 and 13,811.10

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Solution

The fourth proportional to 26,986.56, 40,442.28 and 13,811.10 is: 20,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.56 : 40,442.28 = 13,811.10 : x
  2. Step 2: Convert to fraction form
    26,986.56/40,442.28 = 13,811.10/x
  3. Step 3: Cross multiply
    26,986.56x = 40,442.28 × 13,811.10
  4. Step 4: Simplify right side
    26,986.56x = 558,552,373.31
  5. Step 5: Solve for x
    x = 558,552,373.31/26,986.56
  6. Step 6: Final answer
    x = 20,697.43

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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.