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Finding the Fourth Proportional to 21,844.03, 32,772.95 and 7,803.76

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Solution

The fourth proportional to 21,844.03, 32,772.95 and 7,803.76 is: 11,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,844.03 : 32,772.95 = 7,803.76 : x
  2. Step 2: Convert to fraction form
    21,844.03/32,772.95 = 7,803.76/x
  3. Step 3: Cross multiply
    21,844.03x = 32,772.95 × 7,803.76
  4. Step 4: Simplify right side
    21,844.03x = 255,752,197.27
  5. Step 5: Solve for x
    x = 255,752,197.27/21,844.03
  6. Step 6: Final answer
    x = 11,708.11

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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.