Home / 26,687.10-36,826.11-15,357.23

Finding the Fourth Proportional to 26,687.10, 36,826.11 and 15,357.23

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Solution

The fourth proportional to 26,687.10, 36,826.11 and 15,357.23 is: 21,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.10 : 36,826.11 = 15,357.23 : x
  2. Step 2: Convert to fraction form
    26,687.10/36,826.11 = 15,357.23/x
  3. Step 3: Cross multiply
    26,687.10x = 36,826.11 × 15,357.23
  4. Step 4: Simplify right side
    26,687.10x = 565,546,857.14
  5. Step 5: Solve for x
    x = 565,546,857.14/26,687.10
  6. Step 6: Final answer
    x = 21,191.77

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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.