Home / 29,277.97-40,403.57-15,849.34

Finding the Fourth Proportional to 29,277.97, 40,403.57 and 15,849.34

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Solution

The fourth proportional to 29,277.97, 40,403.57 and 15,849.34 is: 21,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277.97 : 40,403.57 = 15,849.34 : x
  2. Step 2: Convert to fraction form
    29,277.97/40,403.57 = 15,849.34/x
  3. Step 3: Cross multiply
    29,277.97x = 40,403.57 × 15,849.34
  4. Step 4: Simplify right side
    29,277.97x = 640,369,737.89
  5. Step 5: Solve for x
    x = 640,369,737.89/29,277.97
  6. Step 6: Final answer
    x = 21,872.07

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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.