Home / 28,590.92-39,456.34-16,016.20

Finding the Fourth Proportional to 28,590.92, 39,456.34 and 16,016.20

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Solution

The fourth proportional to 28,590.92, 39,456.34 and 16,016.20 is: 22,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.92 : 39,456.34 = 16,016.20 : x
  2. Step 2: Convert to fraction form
    28,590.92/39,456.34 = 16,016.20/x
  3. Step 3: Cross multiply
    28,590.92x = 39,456.34 × 16,016.20
  4. Step 4: Simplify right side
    28,590.92x = 631,940,632.71
  5. Step 5: Solve for x
    x = 631,940,632.71/28,590.92
  6. Step 6: Final answer
    x = 22,102.84

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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.