Home / 38,576.81-57,887.06-15,219.65

Finding the Fourth Proportional to 38,576.81, 57,887.06 and 15,219.65

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Solution

The fourth proportional to 38,576.81, 57,887.06 and 15,219.65 is: 22,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.81 : 57,887.06 = 15,219.65 : x
  2. Step 2: Convert to fraction form
    38,576.81/57,887.06 = 15,219.65/x
  3. Step 3: Cross multiply
    38,576.81x = 57,887.06 × 15,219.65
  4. Step 4: Simplify right side
    38,576.81x = 881,020,427.20
  5. Step 5: Solve for x
    x = 881,020,427.20/38,576.81
  6. Step 6: Final answer
    x = 22,838.09

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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.