Home / 28,497.31-42,744.68-19,141.27

Finding the Fourth Proportional to 28,497.31, 42,744.68 and 19,141.27

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Solution

The fourth proportional to 28,497.31, 42,744.68 and 19,141.27 is: 28,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.31 : 42,744.68 = 19,141.27 : x
  2. Step 2: Convert to fraction form
    28,497.31/42,744.68 = 19,141.27/x
  3. Step 3: Cross multiply
    28,497.31x = 42,744.68 × 19,141.27
  4. Step 4: Simplify right side
    28,497.31x = 818,187,151.51
  5. Step 5: Solve for x
    x = 818,187,151.51/28,497.31
  6. Step 6: Final answer
    x = 28,711.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.