Home / 27,832.32-38,408.87-15,895.57

Finding the Fourth Proportional to 27,832.32, 38,408.87 and 15,895.57

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Solution

The fourth proportional to 27,832.32, 38,408.87 and 15,895.57 is: 21,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,832.32 : 38,408.87 = 15,895.57 : x
  2. Step 2: Convert to fraction form
    27,832.32/38,408.87 = 15,895.57/x
  3. Step 3: Cross multiply
    27,832.32x = 38,408.87 × 15,895.57
  4. Step 4: Simplify right side
    27,832.32x = 610,530,881.71
  5. Step 5: Solve for x
    x = 610,530,881.71/27,832.32
  6. Step 6: Final answer
    x = 21,936.04

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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.