Home / 28,616.21-39,498.59-17,283.90

Finding the Fourth Proportional to 28,616.21, 39,498.59 and 17,283.90

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Solution

The fourth proportional to 28,616.21, 39,498.59 and 17,283.90 is: 23,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,616.21 : 39,498.59 = 17,283.90 : x
  2. Step 2: Convert to fraction form
    28,616.21/39,498.59 = 17,283.90/x
  3. Step 3: Cross multiply
    28,616.21x = 39,498.59 × 17,283.90
  4. Step 4: Simplify right side
    28,616.21x = 682,689,722.91
  5. Step 5: Solve for x
    x = 682,689,722.91/28,616.21
  6. Step 6: Final answer
    x = 23,856.75

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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.