Home / 20,176.60-27,844.32-11,225.20

Finding the Fourth Proportional to 20,176.60, 27,844.32 and 11,225.20

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Solution

The fourth proportional to 20,176.60, 27,844.32 and 11,225.20 is: 15,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.60 : 27,844.32 = 11,225.20 : x
  2. Step 2: Convert to fraction form
    20,176.60/27,844.32 = 11,225.20/x
  3. Step 3: Cross multiply
    20,176.60x = 27,844.32 × 11,225.20
  4. Step 4: Simplify right side
    20,176.60x = 312,558,060.86
  5. Step 5: Solve for x
    x = 312,558,060.86/20,176.60
  6. Step 6: Final answer
    x = 15,491.12

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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.