Home / 27,173.81-40,755.52-8,454.07

Finding the Fourth Proportional to 27,173.81, 40,755.52 and 8,454.07

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Solution

The fourth proportional to 27,173.81, 40,755.52 and 8,454.07 is: 12,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.81 : 40,755.52 = 8,454.07 : x
  2. Step 2: Convert to fraction form
    27,173.81/40,755.52 = 8,454.07/x
  3. Step 3: Cross multiply
    27,173.81x = 40,755.52 × 8,454.07
  4. Step 4: Simplify right side
    27,173.81x = 344,549,895.94
  5. Step 5: Solve for x
    x = 344,549,895.94/27,173.81
  6. Step 6: Final answer
    x = 12,679.49

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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.