Home / 27,151.48-40,766.10-20,153.08

Finding the Fourth Proportional to 27,151.48, 40,766.10 and 20,153.08

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Solution

The fourth proportional to 27,151.48, 40,766.10 and 20,153.08 is: 30,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.48 : 40,766.10 = 20,153.08 : x
  2. Step 2: Convert to fraction form
    27,151.48/40,766.10 = 20,153.08/x
  3. Step 3: Cross multiply
    27,151.48x = 40,766.10 × 20,153.08
  4. Step 4: Simplify right side
    27,151.48x = 821,562,474.59
  5. Step 5: Solve for x
    x = 821,562,474.59/27,151.48
  6. Step 6: Final answer
    x = 30,258.48

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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.