Home / 26,785.92-36,964.16-15,455.42

Finding the Fourth Proportional to 26,785.92, 36,964.16 and 15,455.42

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Solution

The fourth proportional to 26,785.92, 36,964.16 and 15,455.42 is: 21,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.92 : 36,964.16 = 15,455.42 : x
  2. Step 2: Convert to fraction form
    26,785.92/36,964.16 = 15,455.42/x
  3. Step 3: Cross multiply
    26,785.92x = 36,964.16 × 15,455.42
  4. Step 4: Simplify right side
    26,785.92x = 571,296,617.75
  5. Step 5: Solve for x
    x = 571,296,617.75/26,785.92
  6. Step 6: Final answer
    x = 21,328.24

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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.