Home / 28,752.20-39,677.98-16,176.96

Finding the Fourth Proportional to 28,752.20, 39,677.98 and 16,176.96

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Solution

The fourth proportional to 28,752.20, 39,677.98 and 16,176.96 is: 22,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752.20 : 39,677.98 = 16,176.96 : x
  2. Step 2: Convert to fraction form
    28,752.20/39,677.98 = 16,176.96/x
  3. Step 3: Cross multiply
    28,752.20x = 39,677.98 × 16,176.96
  4. Step 4: Simplify right side
    28,752.20x = 641,869,095.34
  5. Step 5: Solve for x
    x = 641,869,095.34/28,752.20
  6. Step 6: Final answer
    x = 22,324.17

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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.