Home / 21,342.18-32,032.65-10,819.53

Finding the Fourth Proportional to 21,342.18, 32,032.65 and 10,819.53

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Solution

The fourth proportional to 21,342.18, 32,032.65 and 10,819.53 is: 16,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342.18 : 32,032.65 = 10,819.53 : x
  2. Step 2: Convert to fraction form
    21,342.18/32,032.65 = 10,819.53/x
  3. Step 3: Cross multiply
    21,342.18x = 32,032.65 × 10,819.53
  4. Step 4: Simplify right side
    21,342.18x = 346,578,217.65
  5. Step 5: Solve for x
    x = 346,578,217.65/21,342.18
  6. Step 6: Final answer
    x = 16,239.12

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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.