Home / 27,100.61-40,650.67-21,182.46

Finding the Fourth Proportional to 27,100.61, 40,650.67 and 21,182.46

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Solution

The fourth proportional to 27,100.61, 40,650.67 and 21,182.46 is: 31,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.61 : 40,650.67 = 21,182.46 : x
  2. Step 2: Convert to fraction form
    27,100.61/40,650.67 = 21,182.46/x
  3. Step 3: Cross multiply
    27,100.61x = 40,650.67 × 21,182.46
  4. Step 4: Simplify right side
    27,100.61x = 861,081,420.20
  5. Step 5: Solve for x
    x = 861,081,420.20/27,100.61
  6. Step 6: Final answer
    x = 31,773.51

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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.