Home / 26,785.12-40,164-15,695.36

Finding the Fourth Proportional to 26,785.12, 40,164 and 15,695.36

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Solution

The fourth proportional to 26,785.12, 40,164 and 15,695.36 is: 23,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.12 : 40,164 = 15,695.36 : x
  2. Step 2: Convert to fraction form
    26,785.12/40,164 = 15,695.36/x
  3. Step 3: Cross multiply
    26,785.12x = 40,164 × 15,695.36
  4. Step 4: Simplify right side
    26,785.12x = 630,388,439.04
  5. Step 5: Solve for x
    x = 630,388,439.04/26,785.12
  6. Step 6: Final answer
    x = 23,535.02

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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.