Home / 21,668.93-32,509.58-12,792.36

Finding the Fourth Proportional to 21,668.93, 32,509.58 and 12,792.36

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Solution

The fourth proportional to 21,668.93, 32,509.58 and 12,792.36 is: 19,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.93 : 32,509.58 = 12,792.36 : x
  2. Step 2: Convert to fraction form
    21,668.93/32,509.58 = 12,792.36/x
  3. Step 3: Cross multiply
    21,668.93x = 32,509.58 × 12,792.36
  4. Step 4: Simplify right side
    21,668.93x = 415,874,151.39
  5. Step 5: Solve for x
    x = 415,874,151.39/21,668.93
  6. Step 6: Final answer
    x = 19,192.19

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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.