Home / 18,722.95-28,002.36-16,295.38

Finding the Fourth Proportional to 18,722.95, 28,002.36 and 16,295.38

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Solution

The fourth proportional to 18,722.95, 28,002.36 and 16,295.38 is: 24,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.95 : 28,002.36 = 16,295.38 : x
  2. Step 2: Convert to fraction form
    18,722.95/28,002.36 = 16,295.38/x
  3. Step 3: Cross multiply
    18,722.95x = 28,002.36 × 16,295.38
  4. Step 4: Simplify right side
    18,722.95x = 456,309,097.10
  5. Step 5: Solve for x
    x = 456,309,097.10/18,722.95
  6. Step 6: Final answer
    x = 24,371.65

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1.5x scale

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.