Home / 26,813.31-36,972.09-18,320.46

Finding the Fourth Proportional to 26,813.31, 36,972.09 and 18,320.46

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Solution

The fourth proportional to 26,813.31, 36,972.09 and 18,320.46 is: 25,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.31 : 36,972.09 = 18,320.46 : x
  2. Step 2: Convert to fraction form
    26,813.31/36,972.09 = 18,320.46/x
  3. Step 3: Cross multiply
    26,813.31x = 36,972.09 × 18,320.46
  4. Step 4: Simplify right side
    26,813.31x = 677,345,695.96
  5. Step 5: Solve for x
    x = 677,345,695.96/26,813.31
  6. Step 6: Final answer
    x = 25,261.55

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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.