Home / 22,392.76-33,359.42-21,381.88

Finding the Fourth Proportional to 22,392.76, 33,359.42 and 21,381.88

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Solution

The fourth proportional to 22,392.76, 33,359.42 and 21,381.88 is: 31,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.76 : 33,359.42 = 21,381.88 : x
  2. Step 2: Convert to fraction form
    22,392.76/33,359.42 = 21,381.88/x
  3. Step 3: Cross multiply
    22,392.76x = 33,359.42 × 21,381.88
  4. Step 4: Simplify right side
    22,392.76x = 713,287,115.31
  5. Step 5: Solve for x
    x = 713,287,115.31/22,392.76
  6. Step 6: Final answer
    x = 31,853.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.