Home / 52,648.08-78,960.48-15,200

Finding the Fourth Proportional to 52,648.08, 78,960.48 and 15,200

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Solution

The fourth proportional to 52,648.08, 78,960.48 and 15,200 is: 22,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.08 : 78,960.48 = 15,200 : x
  2. Step 2: Convert to fraction form
    52,648.08/78,960.48 = 15,200/x
  3. Step 3: Cross multiply
    52,648.08x = 78,960.48 × 15,200
  4. Step 4: Simplify right side
    52,648.08x = 1,200,199,296
  5. Step 5: Solve for x
    x = 1,200,199,296/52,648.08
  6. Step 6: Final answer
    x = 22,796.64

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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.