Home / 38,582.72-57,871.08-15,209.36

Finding the Fourth Proportional to 38,582.72, 57,871.08 and 15,209.36

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Solution

The fourth proportional to 38,582.72, 57,871.08 and 15,209.36 is: 22,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.72 : 57,871.08 = 15,209.36 : x
  2. Step 2: Convert to fraction form
    38,582.72/57,871.08 = 15,209.36/x
  3. Step 3: Cross multiply
    38,582.72x = 57,871.08 × 15,209.36
  4. Step 4: Simplify right side
    38,582.72x = 880,182,089.31
  5. Step 5: Solve for x
    x = 880,182,089.31/38,582.72
  6. Step 6: Final answer
    x = 22,812.86

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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.