Home / 26,868.91-37,079.84-15,537.31

Finding the Fourth Proportional to 26,868.91, 37,079.84 and 15,537.31

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Solution

The fourth proportional to 26,868.91, 37,079.84 and 15,537.31 is: 21,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.91 : 37,079.84 = 15,537.31 : x
  2. Step 2: Convert to fraction form
    26,868.91/37,079.84 = 15,537.31/x
  3. Step 3: Cross multiply
    26,868.91x = 37,079.84 × 15,537.31
  4. Step 4: Simplify right side
    26,868.91x = 576,120,783.43
  5. Step 5: Solve for x
    x = 576,120,783.43/26,868.91
  6. Step 6: Final answer
    x = 21,441.92

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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.