Home / 27,834.87-38,407.94-15,895.68

Finding the Fourth Proportional to 27,834.87, 38,407.94 and 15,895.68

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Solution

The fourth proportional to 27,834.87, 38,407.94 and 15,895.68 is: 21,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.87 : 38,407.94 = 15,895.68 : x
  2. Step 2: Convert to fraction form
    27,834.87/38,407.94 = 15,895.68/x
  3. Step 3: Cross multiply
    27,834.87x = 38,407.94 × 15,895.68
  4. Step 4: Simplify right side
    27,834.87x = 610,520,052.18
  5. Step 5: Solve for x
    x = 610,520,052.18/27,834.87
  6. Step 6: Final answer
    x = 21,933.65

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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.