Home / 57,827.90-86,744.28-18,384.14

Finding the Fourth Proportional to 57,827.90, 86,744.28 and 18,384.14

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Solution

The fourth proportional to 57,827.90, 86,744.28 and 18,384.14 is: 27,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,827.90 : 86,744.28 = 18,384.14 : x
  2. Step 2: Convert to fraction form
    57,827.90/86,744.28 = 18,384.14/x
  3. Step 3: Cross multiply
    57,827.90x = 86,744.28 × 18,384.14
  4. Step 4: Simplify right side
    57,827.90x = 1,594,718,987.72
  5. Step 5: Solve for x
    x = 1,594,718,987.72/57,827.90
  6. Step 6: Final answer
    x = 27,576.98

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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.