Home / 21,997.02-30,316.23-16,019.22

Finding the Fourth Proportional to 21,997.02, 30,316.23 and 16,019.22

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Solution

The fourth proportional to 21,997.02, 30,316.23 and 16,019.22 is: 22,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.02 : 30,316.23 = 16,019.22 : x
  2. Step 2: Convert to fraction form
    21,997.02/30,316.23 = 16,019.22/x
  3. Step 3: Cross multiply
    21,997.02x = 30,316.23 × 16,019.22
  4. Step 4: Simplify right side
    21,997.02x = 485,642,357.94
  5. Step 5: Solve for x
    x = 485,642,357.94/21,997.02
  6. Step 6: Final answer
    x = 22,077.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.