Home / 28,801.23-39,747.20-16,227.15

Finding the Fourth Proportional to 28,801.23, 39,747.20 and 16,227.15

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Solution

The fourth proportional to 28,801.23, 39,747.20 and 16,227.15 is: 22,394.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.23 : 39,747.20 = 16,227.15 : x
  2. Step 2: Convert to fraction form
    28,801.23/39,747.20 = 16,227.15/x
  3. Step 3: Cross multiply
    28,801.23x = 39,747.20 × 16,227.15
  4. Step 4: Simplify right side
    28,801.23x = 644,983,695.34
  5. Step 5: Solve for x
    x = 644,983,695.34/28,801.23
  6. Step 6: Final answer
    x = 22,394.31

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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.