Home / 28,590.54-39,456.63-16,017.18

Finding the Fourth Proportional to 28,590.54, 39,456.63 and 16,017.18

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Solution

The fourth proportional to 28,590.54, 39,456.63 and 16,017.18 is: 22,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.54 : 39,456.63 = 16,017.18 : x
  2. Step 2: Convert to fraction form
    28,590.54/39,456.63 = 16,017.18/x
  3. Step 3: Cross multiply
    28,590.54x = 39,456.63 × 16,017.18
  4. Step 4: Simplify right side
    28,590.54x = 631,983,944.90
  5. Step 5: Solve for x
    x = 631,983,944.90/28,590.54
  6. Step 6: Final answer
    x = 22,104.65

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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.