Home / 28,955.04-39,976.01-22,227.27

Finding the Fourth Proportional to 28,955.04, 39,976.01 and 22,227.27

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Solution

The fourth proportional to 28,955.04, 39,976.01 and 22,227.27 is: 30,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.04 : 39,976.01 = 22,227.27 : x
  2. Step 2: Convert to fraction form
    28,955.04/39,976.01 = 22,227.27/x
  3. Step 3: Cross multiply
    28,955.04x = 39,976.01 × 22,227.27
  4. Step 4: Simplify right side
    28,955.04x = 888,557,567.79
  5. Step 5: Solve for x
    x = 888,557,567.79/28,955.04
  6. Step 6: Final answer
    x = 30,687.49

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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.