Home / 21,724.70-32,582.79-6,929.64

Finding the Fourth Proportional to 21,724.70, 32,582.79 and 6,929.64

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Solution

The fourth proportional to 21,724.70, 32,582.79 and 6,929.64 is: 10,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.70 : 32,582.79 = 6,929.64 : x
  2. Step 2: Convert to fraction form
    21,724.70/32,582.79 = 6,929.64/x
  3. Step 3: Cross multiply
    21,724.70x = 32,582.79 × 6,929.64
  4. Step 4: Simplify right side
    21,724.70x = 225,787,004.90
  5. Step 5: Solve for x
    x = 225,787,004.90/21,724.70
  6. Step 6: Final answer
    x = 10,393.10

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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.