Home / 27,517.22-37,973.03-15,581.69

Finding the Fourth Proportional to 27,517.22, 37,973.03 and 15,581.69

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Solution

The fourth proportional to 27,517.22, 37,973.03 and 15,581.69 is: 21,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,517.22 : 37,973.03 = 15,581.69 : x
  2. Step 2: Convert to fraction form
    27,517.22/37,973.03 = 15,581.69/x
  3. Step 3: Cross multiply
    27,517.22x = 37,973.03 × 15,581.69
  4. Step 4: Simplify right side
    27,517.22x = 591,683,714.05
  5. Step 5: Solve for x
    x = 591,683,714.05/27,517.22
  6. Step 6: Final answer
    x = 21,502.31

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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.