Home / 21,724.44-32,591.04-7,688.28

Finding the Fourth Proportional to 21,724.44, 32,591.04 and 7,688.28

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Solution

The fourth proportional to 21,724.44, 32,591.04 and 7,688.28 is: 11,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.44 : 32,591.04 = 7,688.28 : x
  2. Step 2: Convert to fraction form
    21,724.44/32,591.04 = 7,688.28/x
  3. Step 3: Cross multiply
    21,724.44x = 32,591.04 × 7,688.28
  4. Step 4: Simplify right side
    21,724.44x = 250,569,041.01
  5. Step 5: Solve for x
    x = 250,569,041.01/21,724.44
  6. Step 6: Final answer
    x = 11,533.97

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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.