Home / 28,822.39-39,763.42-17,487.72

Finding the Fourth Proportional to 28,822.39, 39,763.42 and 17,487.72

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Solution

The fourth proportional to 28,822.39, 39,763.42 and 17,487.72 is: 24,126.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.39 : 39,763.42 = 17,487.72 : x
  2. Step 2: Convert to fraction form
    28,822.39/39,763.42 = 17,487.72/x
  3. Step 3: Cross multiply
    28,822.39x = 39,763.42 × 17,487.72
  4. Step 4: Simplify right side
    28,822.39x = 695,371,511.48
  5. Step 5: Solve for x
    x = 695,371,511.48/28,822.39
  6. Step 6: Final answer
    x = 24,126.09

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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.