Home / 57,867.21-86,814.18-18,424.26

Finding the Fourth Proportional to 57,867.21, 86,814.18 and 18,424.26

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Solution

The fourth proportional to 57,867.21, 86,814.18 and 18,424.26 is: 27,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,867.21 : 86,814.18 = 18,424.26 : x
  2. Step 2: Convert to fraction form
    57,867.21/86,814.18 = 18,424.26/x
  3. Step 3: Cross multiply
    57,867.21x = 86,814.18 × 18,424.26
  4. Step 4: Simplify right side
    57,867.21x = 1,599,487,024.01
  5. Step 5: Solve for x
    x = 1,599,487,024.01/57,867.21
  6. Step 6: Final answer
    x = 27,640.65

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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.