Home / 21,668.02-32,505.47-8,340.55

Finding the Fourth Proportional to 21,668.02, 32,505.47 and 8,340.55

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Solution

The fourth proportional to 21,668.02, 32,505.47 and 8,340.55 is: 12,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.02 : 32,505.47 = 8,340.55 : x
  2. Step 2: Convert to fraction form
    21,668.02/32,505.47 = 8,340.55/x
  3. Step 3: Cross multiply
    21,668.02x = 32,505.47 × 8,340.55
  4. Step 4: Simplify right side
    21,668.02x = 271,113,497.81
  5. Step 5: Solve for x
    x = 271,113,497.81/21,668.02
  6. Step 6: Final answer
    x = 12,512.15

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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.