Home / 57,928.21-86,896.26-18,488.29

Finding the Fourth Proportional to 57,928.21, 86,896.26 and 18,488.29

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Solution

The fourth proportional to 57,928.21, 86,896.26 and 18,488.29 is: 27,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.21 : 86,896.26 = 18,488.29 : x
  2. Step 2: Convert to fraction form
    57,928.21/86,896.26 = 18,488.29/x
  3. Step 3: Cross multiply
    57,928.21x = 86,896.26 × 18,488.29
  4. Step 4: Simplify right side
    57,928.21x = 1,606,563,162.35
  5. Step 5: Solve for x
    x = 1,606,563,162.35/57,928.21
  6. Step 6: Final answer
    x = 27,733.69

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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.