Home / 27,640.08-41,466.02-8,921.18

Finding the Fourth Proportional to 27,640.08, 41,466.02 and 8,921.18

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Solution

The fourth proportional to 27,640.08, 41,466.02 and 8,921.18 is: 13,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.08 : 41,466.02 = 8,921.18 : x
  2. Step 2: Convert to fraction form
    27,640.08/41,466.02 = 8,921.18/x
  3. Step 3: Cross multiply
    27,640.08x = 41,466.02 × 8,921.18
  4. Step 4: Simplify right side
    27,640.08x = 369,925,576.37
  5. Step 5: Solve for x
    x = 369,925,576.37/27,640.08
  6. Step 6: Final answer
    x = 13,383.67

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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.