Home / 57,928.56-86,899.68-18,471.84

Finding the Fourth Proportional to 57,928.56, 86,899.68 and 18,471.84

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Solution

The fourth proportional to 57,928.56, 86,899.68 and 18,471.84 is: 27,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.56 : 86,899.68 = 18,471.84 : x
  2. Step 2: Convert to fraction form
    57,928.56/86,899.68 = 18,471.84/x
  3. Step 3: Cross multiply
    57,928.56x = 86,899.68 × 18,471.84
  4. Step 4: Simplify right side
    57,928.56x = 1,605,196,985.01
  5. Step 5: Solve for x
    x = 1,605,196,985.01/57,928.56
  6. Step 6: Final answer
    x = 27,709.94

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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.