Home / 28,860.82-39,816.22-16,283.14

Finding the Fourth Proportional to 28,860.82, 39,816.22 and 16,283.14

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Solution

The fourth proportional to 28,860.82, 39,816.22 and 16,283.14 is: 22,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.82 : 39,816.22 = 16,283.14 : x
  2. Step 2: Convert to fraction form
    28,860.82/39,816.22 = 16,283.14/x
  3. Step 3: Cross multiply
    28,860.82x = 39,816.22 × 16,283.14
  4. Step 4: Simplify right side
    28,860.82x = 648,333,084.53
  5. Step 5: Solve for x
    x = 648,333,084.53/28,860.82
  6. Step 6: Final answer
    x = 22,464.13

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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.