Home / 28,441.17-39,242.79-16,502.99

Finding the Fourth Proportional to 28,441.17, 39,242.79 and 16,502.99

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Solution

The fourth proportional to 28,441.17, 39,242.79 and 16,502.99 is: 22,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.17 : 39,242.79 = 16,502.99 : x
  2. Step 2: Convert to fraction form
    28,441.17/39,242.79 = 16,502.99/x
  3. Step 3: Cross multiply
    28,441.17x = 39,242.79 × 16,502.99
  4. Step 4: Simplify right side
    28,441.17x = 647,623,174.73
  5. Step 5: Solve for x
    x = 647,623,174.73/28,441.17
  6. Step 6: Final answer
    x = 22,770.62

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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.