Home / 27,077.76-40,619.20-22,190.72

Finding the Fourth Proportional to 27,077.76, 40,619.20 and 22,190.72

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Solution

The fourth proportional to 27,077.76, 40,619.20 and 22,190.72 is: 33,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.76 : 40,619.20 = 22,190.72 : x
  2. Step 2: Convert to fraction form
    27,077.76/40,619.20 = 22,190.72/x
  3. Step 3: Cross multiply
    27,077.76x = 40,619.20 × 22,190.72
  4. Step 4: Simplify right side
    27,077.76x = 901,369,293.82
  5. Step 5: Solve for x
    x = 901,369,293.82/27,077.76
  6. Step 6: Final answer
    x = 33,288.18

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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.