Home / 27,099.22-40,638.74-9,324.92

Finding the Fourth Proportional to 27,099.22, 40,638.74 and 9,324.92

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Solution

The fourth proportional to 27,099.22, 40,638.74 and 9,324.92 is: 13,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.22 : 40,638.74 = 9,324.92 : x
  2. Step 2: Convert to fraction form
    27,099.22/40,638.74 = 9,324.92/x
  3. Step 3: Cross multiply
    27,099.22x = 40,638.74 × 9,324.92
  4. Step 4: Simplify right side
    27,099.22x = 378,952,999.40
  5. Step 5: Solve for x
    x = 378,952,999.40/27,099.22
  6. Step 6: Final answer
    x = 13,983.91

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1.5x scale

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.