Home / 27,039.09-40,562.48-8,320.68

Finding the Fourth Proportional to 27,039.09, 40,562.48 and 8,320.68

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Solution

The fourth proportional to 27,039.09, 40,562.48 and 8,320.68 is: 12,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.09 : 40,562.48 = 8,320.68 : x
  2. Step 2: Convert to fraction form
    27,039.09/40,562.48 = 8,320.68/x
  3. Step 3: Cross multiply
    27,039.09x = 40,562.48 × 8,320.68
  4. Step 4: Simplify right side
    27,039.09x = 337,507,416.09
  5. Step 5: Solve for x
    x = 337,507,416.09/27,039.09
  6. Step 6: Final answer
    x = 12,482.20

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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.