Home / 28,407.91-39,202.15-16,308.04

Finding the Fourth Proportional to 28,407.91, 39,202.15 and 16,308.04

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Solution

The fourth proportional to 28,407.91, 39,202.15 and 16,308.04 is: 22,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.91 : 39,202.15 = 16,308.04 : x
  2. Step 2: Convert to fraction form
    28,407.91/39,202.15 = 16,308.04/x
  3. Step 3: Cross multiply
    28,407.91x = 39,202.15 × 16,308.04
  4. Step 4: Simplify right side
    28,407.91x = 639,310,230.29
  5. Step 5: Solve for x
    x = 639,310,230.29/28,407.91
  6. Step 6: Final answer
    x = 22,504.66

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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.