Home / 27,319.34-40,983.32-9,788.78

Finding the Fourth Proportional to 27,319.34, 40,983.32 and 9,788.78

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Solution

The fourth proportional to 27,319.34, 40,983.32 and 9,788.78 is: 14,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.34 : 40,983.32 = 9,788.78 : x
  2. Step 2: Convert to fraction form
    27,319.34/40,983.32 = 9,788.78/x
  3. Step 3: Cross multiply
    27,319.34x = 40,983.32 × 9,788.78
  4. Step 4: Simplify right side
    27,319.34x = 401,176,703.15
  5. Step 5: Solve for x
    x = 401,176,703.15/27,319.34
  6. Step 6: Final answer
    x = 14,684.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.