Home / 28,587.75-39,447.33-16,488.66

Finding the Fourth Proportional to 28,587.75, 39,447.33 and 16,488.66

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Solution

The fourth proportional to 28,587.75, 39,447.33 and 16,488.66 is: 22,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.75 : 39,447.33 = 16,488.66 : x
  2. Step 2: Convert to fraction form
    28,587.75/39,447.33 = 16,488.66/x
  3. Step 3: Cross multiply
    28,587.75x = 39,447.33 × 16,488.66
  4. Step 4: Simplify right side
    28,587.75x = 650,433,612.28
  5. Step 5: Solve for x
    x = 650,433,612.28/28,587.75
  6. Step 6: Final answer
    x = 22,752.18

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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.