Home / 26,909.94-37,141.17-15,735.54

Finding the Fourth Proportional to 26,909.94, 37,141.17 and 15,735.54

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Solution

The fourth proportional to 26,909.94, 37,141.17 and 15,735.54 is: 21,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.94 : 37,141.17 = 15,735.54 : x
  2. Step 2: Convert to fraction form
    26,909.94/37,141.17 = 15,735.54/x
  3. Step 3: Cross multiply
    26,909.94x = 37,141.17 × 15,735.54
  4. Step 4: Simplify right side
    26,909.94x = 584,436,366.18
  5. Step 5: Solve for x
    x = 584,436,366.18/26,909.94
  6. Step 6: Final answer
    x = 21,718.23

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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.