Home / 26,715.12-36,855.24-16,098.72

Finding the Fourth Proportional to 26,715.12, 36,855.24 and 16,098.72

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Solution

The fourth proportional to 26,715.12, 36,855.24 and 16,098.72 is: 22,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.12 : 36,855.24 = 16,098.72 : x
  2. Step 2: Convert to fraction form
    26,715.12/36,855.24 = 16,098.72/x
  3. Step 3: Cross multiply
    26,715.12x = 36,855.24 × 16,098.72
  4. Step 4: Simplify right side
    26,715.12x = 593,322,189.29
  5. Step 5: Solve for x
    x = 593,322,189.29/26,715.12
  6. Step 6: Final answer
    x = 22,209.23

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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.