Home / 28,560.82-39,418.61-19,600.96

Finding the Fourth Proportional to 28,560.82, 39,418.61 and 19,600.96

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Solution

The fourth proportional to 28,560.82, 39,418.61 and 19,600.96 is: 27,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.82 : 39,418.61 = 19,600.96 : x
  2. Step 2: Convert to fraction form
    28,560.82/39,418.61 = 19,600.96/x
  3. Step 3: Cross multiply
    28,560.82x = 39,418.61 × 19,600.96
  4. Step 4: Simplify right side
    28,560.82x = 772,642,302.77
  5. Step 5: Solve for x
    x = 772,642,302.77/28,560.82
  6. Step 6: Final answer
    x = 27,052.53

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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.