Home / 27,327.31-40,987.07-8,606.86

Finding the Fourth Proportional to 27,327.31, 40,987.07 and 8,606.86

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Solution

The fourth proportional to 27,327.31, 40,987.07 and 8,606.86 is: 12,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.31 : 40,987.07 = 8,606.86 : x
  2. Step 2: Convert to fraction form
    27,327.31/40,987.07 = 8,606.86/x
  3. Step 3: Cross multiply
    27,327.31x = 40,987.07 × 8,606.86
  4. Step 4: Simplify right side
    27,327.31x = 352,769,725.33
  5. Step 5: Solve for x
    x = 352,769,725.33/27,327.31
  6. Step 6: Final answer
    x = 12,909.06

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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.