Home / 27,008.99-40,464.28-19,910.81

Finding the Fourth Proportional to 27,008.99, 40,464.28 and 19,910.81

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Solution

The fourth proportional to 27,008.99, 40,464.28 and 19,910.81 is: 29,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,008.99 : 40,464.28 = 19,910.81 : x
  2. Step 2: Convert to fraction form
    27,008.99/40,464.28 = 19,910.81/x
  3. Step 3: Cross multiply
    27,008.99x = 40,464.28 × 19,910.81
  4. Step 4: Simplify right side
    27,008.99x = 805,676,772.92
  5. Step 5: Solve for x
    x = 805,676,772.92/27,008.99
  6. Step 6: Final answer
    x = 29,829.94

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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.