Home / 28,769.49-39,721.73-22,043.25

Finding the Fourth Proportional to 28,769.49, 39,721.73 and 22,043.25

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Solution

The fourth proportional to 28,769.49, 39,721.73 and 22,043.25 is: 30,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.49 : 39,721.73 = 22,043.25 : x
  2. Step 2: Convert to fraction form
    28,769.49/39,721.73 = 22,043.25/x
  3. Step 3: Cross multiply
    28,769.49x = 39,721.73 × 22,043.25
  4. Step 4: Simplify right side
    28,769.49x = 875,595,914.61
  5. Step 5: Solve for x
    x = 875,595,914.61/28,769.49
  6. Step 6: Final answer
    x = 30,434.88

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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.