Home / 28,864.44-39,833.73-16,290

Finding the Fourth Proportional to 28,864.44, 39,833.73 and 16,290

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Solution

The fourth proportional to 28,864.44, 39,833.73 and 16,290 is: 22,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.44 : 39,833.73 = 16,290 : x
  2. Step 2: Convert to fraction form
    28,864.44/39,833.73 = 16,290/x
  3. Step 3: Cross multiply
    28,864.44x = 39,833.73 × 16,290
  4. Step 4: Simplify right side
    28,864.44x = 648,891,461.70
  5. Step 5: Solve for x
    x = 648,891,461.70/28,864.44
  6. Step 6: Final answer
    x = 22,480.65

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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.