Home / 21,037.92-29,032.41-11,477.90

Finding the Fourth Proportional to 21,037.92, 29,032.41 and 11,477.90

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Solution

The fourth proportional to 21,037.92, 29,032.41 and 11,477.90 is: 15,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.92 : 29,032.41 = 11,477.90 : x
  2. Step 2: Convert to fraction form
    21,037.92/29,032.41 = 11,477.90/x
  3. Step 3: Cross multiply
    21,037.92x = 29,032.41 × 11,477.90
  4. Step 4: Simplify right side
    21,037.92x = 333,230,896.19
  5. Step 5: Solve for x
    x = 333,230,896.19/21,037.92
  6. Step 6: Final answer
    x = 15,839.54

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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.