Home / 26,911.22-37,137.49-15,581.31

Finding the Fourth Proportional to 26,911.22, 37,137.49 and 15,581.31

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Solution

The fourth proportional to 26,911.22, 37,137.49 and 15,581.31 is: 21,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.22 : 37,137.49 = 15,581.31 : x
  2. Step 2: Convert to fraction form
    26,911.22/37,137.49 = 15,581.31/x
  3. Step 3: Cross multiply
    26,911.22x = 37,137.49 × 15,581.31
  4. Step 4: Simplify right side
    26,911.22x = 578,650,744.31
  5. Step 5: Solve for x
    x = 578,650,744.31/26,911.22
  6. Step 6: Final answer
    x = 21,502.21

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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.