Home / 26,388.72-39,583.08-10,800

Finding the Fourth Proportional to 26,388.72, 39,583.08 and 10,800

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Solution

The fourth proportional to 26,388.72, 39,583.08 and 10,800 is: 16,200

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.72 : 39,583.08 = 10,800 : x
  2. Step 2: Convert to fraction form
    26,388.72/39,583.08 = 10,800/x
  3. Step 3: Cross multiply
    26,388.72x = 39,583.08 × 10,800
  4. Step 4: Simplify right side
    26,388.72x = 427,497,264
  5. Step 5: Solve for x
    x = 427,497,264/26,388.72
  6. Step 6: Final answer
    x = 16,200

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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.