Home / 28,095.76-38,770.16-16,159.04

Finding the Fourth Proportional to 28,095.76, 38,770.16 and 16,159.04

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Solution

The fourth proportional to 28,095.76, 38,770.16 and 16,159.04 is: 22,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.76 : 38,770.16 = 16,159.04 : x
  2. Step 2: Convert to fraction form
    28,095.76/38,770.16 = 16,159.04/x
  3. Step 3: Cross multiply
    28,095.76x = 38,770.16 × 16,159.04
  4. Step 4: Simplify right side
    28,095.76x = 626,488,566.25
  5. Step 5: Solve for x
    x = 626,488,566.25/28,095.76
  6. Step 6: Final answer
    x = 22,298.33

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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.