Home / 21,481.08-29,642.64-12,050.28

Finding the Fourth Proportional to 21,481.08, 29,642.64 and 12,050.28

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Solution

The fourth proportional to 21,481.08, 29,642.64 and 12,050.28 is: 16,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.08 : 29,642.64 = 12,050.28 : x
  2. Step 2: Convert to fraction form
    21,481.08/29,642.64 = 12,050.28/x
  3. Step 3: Cross multiply
    21,481.08x = 29,642.64 × 12,050.28
  4. Step 4: Simplify right side
    21,481.08x = 357,202,111.94
  5. Step 5: Solve for x
    x = 357,202,111.94/21,481.08
  6. Step 6: Final answer
    x = 16,628.68

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1.5x scale

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.