Home / 26,760.88-36,934.58-15,428.32

Finding the Fourth Proportional to 26,760.88, 36,934.58 and 15,428.32

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Solution

The fourth proportional to 26,760.88, 36,934.58 and 15,428.32 is: 21,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.88 : 36,934.58 = 15,428.32 : x
  2. Step 2: Convert to fraction form
    26,760.88/36,934.58 = 15,428.32/x
  3. Step 3: Cross multiply
    26,760.88x = 36,934.58 × 15,428.32
  4. Step 4: Simplify right side
    26,760.88x = 569,838,519.31
  5. Step 5: Solve for x
    x = 569,838,519.31/26,760.88
  6. Step 6: Final answer
    x = 21,293.71

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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.