Home / 26,556-36,649.72-14,621.76

Finding the Fourth Proportional to 26,556, 36,649.72 and 14,621.76

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Solution

The fourth proportional to 26,556, 36,649.72 and 14,621.76 is: 20,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556 : 36,649.72 = 14,621.76 : x
  2. Step 2: Convert to fraction form
    26,556/36,649.72 = 14,621.76/x
  3. Step 3: Cross multiply
    26,556x = 36,649.72 × 14,621.76
  4. Step 4: Simplify right side
    26,556x = 535,883,409.91
  5. Step 5: Solve for x
    x = 535,883,409.91/26,556
  6. Step 6: Final answer
    x = 20,179.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.