Home / 28,977.18-43,456.54-14,935.42

Finding the Fourth Proportional to 28,977.18, 43,456.54 and 14,935.42

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Solution

The fourth proportional to 28,977.18, 43,456.54 and 14,935.42 is: 22,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.18 : 43,456.54 = 14,935.42 : x
  2. Step 2: Convert to fraction form
    28,977.18/43,456.54 = 14,935.42/x
  3. Step 3: Cross multiply
    28,977.18x = 43,456.54 × 14,935.42
  4. Step 4: Simplify right side
    28,977.18x = 649,041,676.65
  5. Step 5: Solve for x
    x = 649,041,676.65/28,977.18
  6. Step 6: Final answer
    x = 22,398.37

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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.