Home / 27,213.04-37,555.68-18,122.81

Finding the Fourth Proportional to 27,213.04, 37,555.68 and 18,122.81

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Solution

The fourth proportional to 27,213.04, 37,555.68 and 18,122.81 is: 25,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.04 : 37,555.68 = 18,122.81 : x
  2. Step 2: Convert to fraction form
    27,213.04/37,555.68 = 18,122.81/x
  3. Step 3: Cross multiply
    27,213.04x = 37,555.68 × 18,122.81
  4. Step 4: Simplify right side
    27,213.04x = 680,614,453.06
  5. Step 5: Solve for x
    x = 680,614,453.06/27,213.04
  6. Step 6: Final answer
    x = 25,010.60

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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.