Home / 20,277.02-27,981.60-11,324.46

Finding the Fourth Proportional to 20,277.02, 27,981.60 and 11,324.46

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Solution

The fourth proportional to 20,277.02, 27,981.60 and 11,324.46 is: 15,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.02 : 27,981.60 = 11,324.46 : x
  2. Step 2: Convert to fraction form
    20,277.02/27,981.60 = 11,324.46/x
  3. Step 3: Cross multiply
    20,277.02x = 27,981.60 × 11,324.46
  4. Step 4: Simplify right side
    20,277.02x = 316,876,509.94
  5. Step 5: Solve for x
    x = 316,876,509.94/20,277.02
  6. Step 6: Final answer
    x = 15,627.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.