Home / 28,590.12-39,456.18-16,016.76

Finding the Fourth Proportional to 28,590.12, 39,456.18 and 16,016.76

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Solution

The fourth proportional to 28,590.12, 39,456.18 and 16,016.76 is: 22,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.12 : 39,456.18 = 16,016.76 : x
  2. Step 2: Convert to fraction form
    28,590.12/39,456.18 = 16,016.76/x
  3. Step 3: Cross multiply
    28,590.12x = 39,456.18 × 16,016.76
  4. Step 4: Simplify right side
    28,590.12x = 631,960,165.58
  5. Step 5: Solve for x
    x = 631,960,165.58/28,590.12
  6. Step 6: Final answer
    x = 22,104.15

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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.