Home / 28,519.19-39,348.43-17,032.74

Finding the Fourth Proportional to 28,519.19, 39,348.43 and 17,032.74

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Solution

The fourth proportional to 28,519.19, 39,348.43 and 17,032.74 is: 23,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.19 : 39,348.43 = 17,032.74 : x
  2. Step 2: Convert to fraction form
    28,519.19/39,348.43 = 17,032.74/x
  3. Step 3: Cross multiply
    28,519.19x = 39,348.43 × 17,032.74
  4. Step 4: Simplify right side
    28,519.19x = 670,211,577.60
  5. Step 5: Solve for x
    x = 670,211,577.60/28,519.19
  6. Step 6: Final answer
    x = 23,500.38

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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.