Home / 27,299.23-40,944.29-7,579.78

Finding the Fourth Proportional to 27,299.23, 40,944.29 and 7,579.78

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Solution

The fourth proportional to 27,299.23, 40,944.29 and 7,579.78 is: 11,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.23 : 40,944.29 = 7,579.78 : x
  2. Step 2: Convert to fraction form
    27,299.23/40,944.29 = 7,579.78/x
  3. Step 3: Cross multiply
    27,299.23x = 40,944.29 × 7,579.78
  4. Step 4: Simplify right side
    27,299.23x = 310,348,570.20
  5. Step 5: Solve for x
    x = 310,348,570.20/27,299.23
  6. Step 6: Final answer
    x = 11,368.40

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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.