Home / 28,217.25-38,943.77-17,465.57

Finding the Fourth Proportional to 28,217.25, 38,943.77 and 17,465.57

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Solution

The fourth proportional to 28,217.25, 38,943.77 and 17,465.57 is: 24,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.25 : 38,943.77 = 17,465.57 : x
  2. Step 2: Convert to fraction form
    28,217.25/38,943.77 = 17,465.57/x
  3. Step 3: Cross multiply
    28,217.25x = 38,943.77 × 17,465.57
  4. Step 4: Simplify right side
    28,217.25x = 680,175,053.67
  5. Step 5: Solve for x
    x = 680,175,053.67/28,217.25
  6. Step 6: Final answer
    x = 24,104.94

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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.