Home / 27,131.22-40,703.04-10,491.39

Finding the Fourth Proportional to 27,131.22, 40,703.04 and 10,491.39

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Solution

The fourth proportional to 27,131.22, 40,703.04 and 10,491.39 is: 15,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.22 : 40,703.04 = 10,491.39 : x
  2. Step 2: Convert to fraction form
    27,131.22/40,703.04 = 10,491.39/x
  3. Step 3: Cross multiply
    27,131.22x = 40,703.04 × 10,491.39
  4. Step 4: Simplify right side
    27,131.22x = 427,031,466.83
  5. Step 5: Solve for x
    x = 427,031,466.83/27,131.22
  6. Step 6: Final answer
    x = 15,739.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.