Home / 21,985.02-30,299.67-16,007.22

Finding the Fourth Proportional to 21,985.02, 30,299.67 and 16,007.22

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Solution

The fourth proportional to 21,985.02, 30,299.67 and 16,007.22 is: 22,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985.02 : 30,299.67 = 16,007.22 : x
  2. Step 2: Convert to fraction form
    21,985.02/30,299.67 = 16,007.22/x
  3. Step 3: Cross multiply
    21,985.02x = 30,299.67 × 16,007.22
  4. Step 4: Simplify right side
    21,985.02x = 485,013,483.62
  5. Step 5: Solve for x
    x = 485,013,483.62/21,985.02
  6. Step 6: Final answer
    x = 22,061.09

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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.