Home / 27,081.13-40,621.70-7,362.60

Finding the Fourth Proportional to 27,081.13, 40,621.70 and 7,362.60

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Solution

The fourth proportional to 27,081.13, 40,621.70 and 7,362.60 is: 11,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.13 : 40,621.70 = 7,362.60 : x
  2. Step 2: Convert to fraction form
    27,081.13/40,621.70 = 7,362.60/x
  3. Step 3: Cross multiply
    27,081.13x = 40,621.70 × 7,362.60
  4. Step 4: Simplify right side
    27,081.13x = 299,081,328.42
  5. Step 5: Solve for x
    x = 299,081,328.42/27,081.13
  6. Step 6: Final answer
    x = 11,043.90

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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.