Home / 28,355.52-42,555.15-22,822.41

Finding the Fourth Proportional to 28,355.52, 42,555.15 and 22,822.41

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Solution

The fourth proportional to 28,355.52, 42,555.15 and 22,822.41 is: 34,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,355.52 : 42,555.15 = 22,822.41 : x
  2. Step 2: Convert to fraction form
    28,355.52/42,555.15 = 22,822.41/x
  3. Step 3: Cross multiply
    28,355.52x = 42,555.15 × 22,822.41
  4. Step 4: Simplify right side
    28,355.52x = 971,211,080.91
  5. Step 5: Solve for x
    x = 971,211,080.91/28,355.52
  6. Step 6: Final answer
    x = 34,251.22

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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.