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Finding the Fourth Proportional to 37,773.72, 56,659.22 and 15,570.44

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Solution

The fourth proportional to 37,773.72, 56,659.22 and 15,570.44 is: 23,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.72 : 56,659.22 = 15,570.44 : x
  2. Step 2: Convert to fraction form
    37,773.72/56,659.22 = 15,570.44/x
  3. Step 3: Cross multiply
    37,773.72x = 56,659.22 × 15,570.44
  4. Step 4: Simplify right side
    37,773.72x = 882,208,624.31
  5. Step 5: Solve for x
    x = 882,208,624.31/37,773.72
  6. Step 6: Final answer
    x = 23,355.09

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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.