Home / 55,178.61-82,768.68-15,735.72

Finding the Fourth Proportional to 55,178.61, 82,768.68 and 15,735.72

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Solution

The fourth proportional to 55,178.61, 82,768.68 and 15,735.72 is: 23,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.61 : 82,768.68 = 15,735.72 : x
  2. Step 2: Convert to fraction form
    55,178.61/82,768.68 = 15,735.72/x
  3. Step 3: Cross multiply
    55,178.61x = 82,768.68 × 15,735.72
  4. Step 4: Simplify right side
    55,178.61x = 1,302,424,773.25
  5. Step 5: Solve for x
    x = 1,302,424,773.25/55,178.61
  6. Step 6: Final answer
    x = 23,603.80

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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.