Home / 27,534.09-41,259.08-20,479.99

Finding the Fourth Proportional to 27,534.09, 41,259.08 and 20,479.99

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Solution

The fourth proportional to 27,534.09, 41,259.08 and 20,479.99 is: 30,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,534.09 : 41,259.08 = 20,479.99 : x
  2. Step 2: Convert to fraction form
    27,534.09/41,259.08 = 20,479.99/x
  3. Step 3: Cross multiply
    27,534.09x = 41,259.08 × 20,479.99
  4. Step 4: Simplify right side
    27,534.09x = 844,985,600.02
  5. Step 5: Solve for x
    x = 844,985,600.02/27,534.09
  6. Step 6: Final answer
    x = 30,688.71

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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.