Home / 28,768.71-39,689.42-17,597.19

Finding the Fourth Proportional to 28,768.71, 39,689.42 and 17,597.19

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Solution

The fourth proportional to 28,768.71, 39,689.42 and 17,597.19 is: 24,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.71 : 39,689.42 = 17,597.19 : x
  2. Step 2: Convert to fraction form
    28,768.71/39,689.42 = 17,597.19/x
  3. Step 3: Cross multiply
    28,768.71x = 39,689.42 × 17,597.19
  4. Step 4: Simplify right side
    28,768.71x = 698,422,176.74
  5. Step 5: Solve for x
    x = 698,422,176.74/28,768.71
  6. Step 6: Final answer
    x = 24,277.15

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Double scale
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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.