Home / 22,437.28-30,945.24-19,742.68

Finding the Fourth Proportional to 22,437.28, 30,945.24 and 19,742.68

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Solution

The fourth proportional to 22,437.28, 30,945.24 and 19,742.68 is: 27,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437.28 : 30,945.24 = 19,742.68 : x
  2. Step 2: Convert to fraction form
    22,437.28/30,945.24 = 19,742.68/x
  3. Step 3: Cross multiply
    22,437.28x = 30,945.24 × 19,742.68
  4. Step 4: Simplify right side
    22,437.28x = 610,941,970.84
  5. Step 5: Solve for x
    x = 610,941,970.84/22,437.28
  6. Step 6: Final answer
    x = 27,228.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.