Home / 21,683.16-32,529.33-7,642.62

Finding the Fourth Proportional to 21,683.16, 32,529.33 and 7,642.62

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Solution

The fourth proportional to 21,683.16, 32,529.33 and 7,642.62 is: 11,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.16 : 32,529.33 = 7,642.62 : x
  2. Step 2: Convert to fraction form
    21,683.16/32,529.33 = 7,642.62/x
  3. Step 3: Cross multiply
    21,683.16x = 32,529.33 × 7,642.62
  4. Step 4: Simplify right side
    21,683.16x = 248,609,308.04
  5. Step 5: Solve for x
    x = 248,609,308.04/21,683.16
  6. Step 6: Final answer
    x = 11,465.55

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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.