Home / 27,334.90-37,715.52-15,398.22

Finding the Fourth Proportional to 27,334.90, 37,715.52 and 15,398.22

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Solution

The fourth proportional to 27,334.90, 37,715.52 and 15,398.22 is: 21,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,334.90 : 37,715.52 = 15,398.22 : x
  2. Step 2: Convert to fraction form
    27,334.90/37,715.52 = 15,398.22/x
  3. Step 3: Cross multiply
    27,334.90x = 37,715.52 × 15,398.22
  4. Step 4: Simplify right side
    27,334.90x = 580,751,874.37
  5. Step 5: Solve for x
    x = 580,751,874.37/27,334.90
  6. Step 6: Final answer
    x = 21,245.80

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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.