Home / 28,553.18-42,829.52-22,318.43

Finding the Fourth Proportional to 28,553.18, 42,829.52 and 22,318.43

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Solution

The fourth proportional to 28,553.18, 42,829.52 and 22,318.43 is: 33,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.18 : 42,829.52 = 22,318.43 : x
  2. Step 2: Convert to fraction form
    28,553.18/42,829.52 = 22,318.43/x
  3. Step 3: Cross multiply
    28,553.18x = 42,829.52 × 22,318.43
  4. Step 4: Simplify right side
    28,553.18x = 955,887,806.92
  5. Step 5: Solve for x
    x = 955,887,806.92/28,553.18
  6. Step 6: Final answer
    x = 33,477.45

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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.