Home / 21,772.01-32,656.19-6,976.95

Finding the Fourth Proportional to 21,772.01, 32,656.19 and 6,976.95

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Solution

The fourth proportional to 21,772.01, 32,656.19 and 6,976.95 is: 10,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,772.01 : 32,656.19 = 6,976.95 : x
  2. Step 2: Convert to fraction form
    21,772.01/32,656.19 = 6,976.95/x
  3. Step 3: Cross multiply
    21,772.01x = 32,656.19 × 6,976.95
  4. Step 4: Simplify right side
    21,772.01x = 227,840,569.94
  5. Step 5: Solve for x
    x = 227,840,569.94/21,772.01
  6. Step 6: Final answer
    x = 10,464.84

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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.