Home / 27,212.54-37,554.99-18,122.31

Finding the Fourth Proportional to 27,212.54, 37,554.99 and 18,122.31

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Solution

The fourth proportional to 27,212.54, 37,554.99 and 18,122.31 is: 25,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,212.54 : 37,554.99 = 18,122.31 : x
  2. Step 2: Convert to fraction form
    27,212.54/37,554.99 = 18,122.31/x
  3. Step 3: Cross multiply
    27,212.54x = 37,554.99 × 18,122.31
  4. Step 4: Simplify right side
    27,212.54x = 680,583,170.83
  5. Step 5: Solve for x
    x = 680,583,170.83/27,212.54
  6. Step 6: Final answer
    x = 25,009.91

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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.