Home / 21,529.65-32,300.62-6,742.79

Finding the Fourth Proportional to 21,529.65, 32,300.62 and 6,742.79

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Solution

The fourth proportional to 21,529.65, 32,300.62 and 6,742.79 is: 10,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.65 : 32,300.62 = 6,742.79 : x
  2. Step 2: Convert to fraction form
    21,529.65/32,300.62 = 6,742.79/x
  3. Step 3: Cross multiply
    21,529.65x = 32,300.62 × 6,742.79
  4. Step 4: Simplify right side
    21,529.65x = 217,796,459.92
  5. Step 5: Solve for x
    x = 217,796,459.92/21,529.65
  6. Step 6: Final answer
    x = 10,116.12

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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.