Home / 21,649.02-32,421.65-13,723.98

Finding the Fourth Proportional to 21,649.02, 32,421.65 and 13,723.98

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Solution

The fourth proportional to 21,649.02, 32,421.65 and 13,723.98 is: 20,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649.02 : 32,421.65 = 13,723.98 : x
  2. Step 2: Convert to fraction form
    21,649.02/32,421.65 = 13,723.98/x
  3. Step 3: Cross multiply
    21,649.02x = 32,421.65 × 13,723.98
  4. Step 4: Simplify right side
    21,649.02x = 444,954,007.55
  5. Step 5: Solve for x
    x = 444,954,007.55/21,649.02
  6. Step 6: Final answer
    x = 20,553.08

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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.