Home / 27,285.04-37,671.24-21,025.36

Finding the Fourth Proportional to 27,285.04, 37,671.24 and 21,025.36

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Solution

The fourth proportional to 27,285.04, 37,671.24 and 21,025.36 is: 29,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.04 : 37,671.24 = 21,025.36 : x
  2. Step 2: Convert to fraction form
    27,285.04/37,671.24 = 21,025.36/x
  3. Step 3: Cross multiply
    27,285.04x = 37,671.24 × 21,025.36
  4. Step 4: Simplify right side
    27,285.04x = 792,051,382.65
  5. Step 5: Solve for x
    x = 792,051,382.65/27,285.04
  6. Step 6: Final answer
    x = 29,028.78

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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.