Home / 21,719.84-32,582.32-6,923.57

Finding the Fourth Proportional to 21,719.84, 32,582.32 and 6,923.57

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Solution

The fourth proportional to 21,719.84, 32,582.32 and 6,923.57 is: 10,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.84 : 32,582.32 = 6,923.57 : x
  2. Step 2: Convert to fraction form
    21,719.84/32,582.32 = 6,923.57/x
  3. Step 3: Cross multiply
    21,719.84x = 32,582.32 × 6,923.57
  4. Step 4: Simplify right side
    21,719.84x = 225,585,793.06
  5. Step 5: Solve for x
    x = 225,585,793.06/21,719.84
  6. Step 6: Final answer
    x = 10,386.17

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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.