Home / 27,770.39-38,322.97-15,023.53

Finding the Fourth Proportional to 27,770.39, 38,322.97 and 15,023.53

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Solution

The fourth proportional to 27,770.39, 38,322.97 and 15,023.53 is: 20,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.39 : 38,322.97 = 15,023.53 : x
  2. Step 2: Convert to fraction form
    27,770.39/38,322.97 = 15,023.53/x
  3. Step 3: Cross multiply
    27,770.39x = 38,322.97 × 15,023.53
  4. Step 4: Simplify right side
    27,770.39x = 575,746,276.55
  5. Step 5: Solve for x
    x = 575,746,276.55/27,770.39
  6. Step 6: Final answer
    x = 20,732.38

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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.