Home / 27,320.67-40,986.45-8,605.43

Finding the Fourth Proportional to 27,320.67, 40,986.45 and 8,605.43

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Solution

The fourth proportional to 27,320.67, 40,986.45 and 8,605.43 is: 12,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.67 : 40,986.45 = 8,605.43 : x
  2. Step 2: Convert to fraction form
    27,320.67/40,986.45 = 8,605.43/x
  3. Step 3: Cross multiply
    27,320.67x = 40,986.45 × 8,605.43
  4. Step 4: Simplify right side
    27,320.67x = 352,706,026.42
  5. Step 5: Solve for x
    x = 352,706,026.42/27,320.67
  6. Step 6: Final answer
    x = 12,909.86

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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.