Home / 27,321.19-37,699.32-15,221.59

Finding the Fourth Proportional to 27,321.19, 37,699.32 and 15,221.59

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Solution

The fourth proportional to 27,321.19, 37,699.32 and 15,221.59 is: 21,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.19 : 37,699.32 = 15,221.59 : x
  2. Step 2: Convert to fraction form
    27,321.19/37,699.32 = 15,221.59/x
  3. Step 3: Cross multiply
    27,321.19x = 37,699.32 × 15,221.59
  4. Step 4: Simplify right side
    27,321.19x = 573,843,592.32
  5. Step 5: Solve for x
    x = 573,843,592.32/27,321.19
  6. Step 6: Final answer
    x = 21,003.61

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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.