Home / 27,742.23-38,284.43-15,166.98

Finding the Fourth Proportional to 27,742.23, 38,284.43 and 15,166.98

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Solution

The fourth proportional to 27,742.23, 38,284.43 and 15,166.98 is: 20,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.23 : 38,284.43 = 15,166.98 : x
  2. Step 2: Convert to fraction form
    27,742.23/38,284.43 = 15,166.98/x
  3. Step 3: Cross multiply
    27,742.23x = 38,284.43 × 15,166.98
  4. Step 4: Simplify right side
    27,742.23x = 580,659,108.29
  5. Step 5: Solve for x
    x = 580,659,108.29/27,742.23
  6. Step 6: Final answer
    x = 20,930.51

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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.