Home / 19,022.30-28,395.99-16,689.50

Finding the Fourth Proportional to 19,022.30, 28,395.99 and 16,689.50

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Solution

The fourth proportional to 19,022.30, 28,395.99 and 16,689.50 is: 24,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.30 : 28,395.99 = 16,689.50 : x
  2. Step 2: Convert to fraction form
    19,022.30/28,395.99 = 16,689.50/x
  3. Step 3: Cross multiply
    19,022.30x = 28,395.99 × 16,689.50
  4. Step 4: Simplify right side
    19,022.30x = 473,914,791.66
  5. Step 5: Solve for x
    x = 473,914,791.66/19,022.30
  6. Step 6: Final answer
    x = 24,913.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.