Home / 28,868.94-39,841.47-22,949.46

Finding the Fourth Proportional to 28,868.94, 39,841.47 and 22,949.46

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Solution

The fourth proportional to 28,868.94, 39,841.47 and 22,949.46 is: 31,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.94 : 39,841.47 = 22,949.46 : x
  2. Step 2: Convert to fraction form
    28,868.94/39,841.47 = 22,949.46/x
  3. Step 3: Cross multiply
    28,868.94x = 39,841.47 × 22,949.46
  4. Step 4: Simplify right side
    28,868.94x = 914,340,222.11
  5. Step 5: Solve for x
    x = 914,340,222.11/28,868.94
  6. Step 6: Final answer
    x = 31,672.11

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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.