Home / 26,311.66-36,310.01-15,563.92

Finding the Fourth Proportional to 26,311.66, 36,310.01 and 15,563.92

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Solution

The fourth proportional to 26,311.66, 36,310.01 and 15,563.92 is: 21,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.66 : 36,310.01 = 15,563.92 : x
  2. Step 2: Convert to fraction form
    26,311.66/36,310.01 = 15,563.92/x
  3. Step 3: Cross multiply
    26,311.66x = 36,310.01 × 15,563.92
  4. Step 4: Simplify right side
    26,311.66x = 565,126,158.11
  5. Step 5: Solve for x
    x = 565,126,158.11/26,311.66
  6. Step 6: Final answer
    x = 21,478.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.