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Finding the Fourth Proportional to 57,500.50, 86,250.75 and 15,947.50

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Solution

The fourth proportional to 57,500.50, 86,250.75 and 15,947.50 is: 23,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,500.50 : 86,250.75 = 15,947.50 : x
  2. Step 2: Convert to fraction form
    57,500.50/86,250.75 = 15,947.50/x
  3. Step 3: Cross multiply
    57,500.50x = 86,250.75 × 15,947.50
  4. Step 4: Simplify right side
    57,500.50x = 1,375,483,835.63
  5. Step 5: Solve for x
    x = 1,375,483,835.63/57,500.50
  6. Step 6: Final answer
    x = 23,921.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.