Home / 22,157.25-33,106.12-21,382.08

Finding the Fourth Proportional to 22,157.25, 33,106.12 and 21,382.08

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Solution

The fourth proportional to 22,157.25, 33,106.12 and 21,382.08 is: 31,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.25 : 33,106.12 = 21,382.08 : x
  2. Step 2: Convert to fraction form
    22,157.25/33,106.12 = 21,382.08/x
  3. Step 3: Cross multiply
    22,157.25x = 33,106.12 × 21,382.08
  4. Step 4: Simplify right side
    22,157.25x = 707,877,528.73
  5. Step 5: Solve for x
    x = 707,877,528.73/22,157.25
  6. Step 6: Final answer
    x = 31,947.90

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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.