Home / 27,028.76-40,542.73-8,309.05

Finding the Fourth Proportional to 27,028.76, 40,542.73 and 8,309.05

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Solution

The fourth proportional to 27,028.76, 40,542.73 and 8,309.05 is: 12,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.76 : 40,542.73 = 8,309.05 : x
  2. Step 2: Convert to fraction form
    27,028.76/40,542.73 = 8,309.05/x
  3. Step 3: Cross multiply
    27,028.76x = 40,542.73 × 8,309.05
  4. Step 4: Simplify right side
    27,028.76x = 336,871,448.58
  5. Step 5: Solve for x
    x = 336,871,448.58/27,028.76
  6. Step 6: Final answer
    x = 12,463.45

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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.