Home / 29,640.84-40,904.25-16,028.78

Finding the Fourth Proportional to 29,640.84, 40,904.25 and 16,028.78

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Solution

The fourth proportional to 29,640.84, 40,904.25 and 16,028.78 is: 22,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.84 : 40,904.25 = 16,028.78 : x
  2. Step 2: Convert to fraction form
    29,640.84/40,904.25 = 16,028.78/x
  3. Step 3: Cross multiply
    29,640.84x = 40,904.25 × 16,028.78
  4. Step 4: Simplify right side
    29,640.84x = 655,645,019.79
  5. Step 5: Solve for x
    x = 655,645,019.79/29,640.84
  6. Step 6: Final answer
    x = 22,119.65

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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.