Home / 28,137.60-38,834.10-17,530.65

Finding the Fourth Proportional to 28,137.60, 38,834.10 and 17,530.65

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Solution

The fourth proportional to 28,137.60, 38,834.10 and 17,530.65 is: 24,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137.60 : 38,834.10 = 17,530.65 : x
  2. Step 2: Convert to fraction form
    28,137.60/38,834.10 = 17,530.65/x
  3. Step 3: Cross multiply
    28,137.60x = 38,834.10 × 17,530.65
  4. Step 4: Simplify right side
    28,137.60x = 680,787,015.17
  5. Step 5: Solve for x
    x = 680,787,015.17/28,137.60
  6. Step 6: Final answer
    x = 24,194.92

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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.