Home / 27,212.04-37,554.30-18,121.81

Finding the Fourth Proportional to 27,212.04, 37,554.30 and 18,121.81

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Solution

The fourth proportional to 27,212.04, 37,554.30 and 18,121.81 is: 25,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,212.04 : 37,554.30 = 18,121.81 : x
  2. Step 2: Convert to fraction form
    27,212.04/37,554.30 = 18,121.81/x
  3. Step 3: Cross multiply
    27,212.04x = 37,554.30 × 18,121.81
  4. Step 4: Simplify right side
    27,212.04x = 680,551,889.28
  5. Step 5: Solve for x
    x = 680,551,889.28/27,212.04
  6. Step 6: Final answer
    x = 25,009.22

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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.