Home / 28,802.05-39,753.80-19,242.43

Finding the Fourth Proportional to 28,802.05, 39,753.80 and 19,242.43

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Solution

The fourth proportional to 28,802.05, 39,753.80 and 19,242.43 is: 26,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.05 : 39,753.80 = 19,242.43 : x
  2. Step 2: Convert to fraction form
    28,802.05/39,753.80 = 19,242.43/x
  3. Step 3: Cross multiply
    28,802.05x = 39,753.80 × 19,242.43
  4. Step 4: Simplify right side
    28,802.05x = 764,959,713.73
  5. Step 5: Solve for x
    x = 764,959,713.73/28,802.05
  6. Step 6: Final answer
    x = 26,559.21

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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.