Home / 28,974.24-39,965.40-22,675.68

Finding the Fourth Proportional to 28,974.24, 39,965.40 and 22,675.68

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Solution

The fourth proportional to 28,974.24, 39,965.40 and 22,675.68 is: 31,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.24 : 39,965.40 = 22,675.68 : x
  2. Step 2: Convert to fraction form
    28,974.24/39,965.40 = 22,675.68/x
  3. Step 3: Cross multiply
    28,974.24x = 39,965.40 × 22,675.68
  4. Step 4: Simplify right side
    28,974.24x = 906,242,621.47
  5. Step 5: Solve for x
    x = 906,242,621.47/28,974.24
  6. Step 6: Final answer
    x = 31,277.53

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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.