Home / 28,122.30-42,183.45-16,296.30

Finding the Fourth Proportional to 28,122.30, 42,183.45 and 16,296.30

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Solution

The fourth proportional to 28,122.30, 42,183.45 and 16,296.30 is: 24,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.30 : 42,183.45 = 16,296.30 : x
  2. Step 2: Convert to fraction form
    28,122.30/42,183.45 = 16,296.30/x
  3. Step 3: Cross multiply
    28,122.30x = 42,183.45 × 16,296.30
  4. Step 4: Simplify right side
    28,122.30x = 687,434,156.24
  5. Step 5: Solve for x
    x = 687,434,156.24/28,122.30
  6. Step 6: Final answer
    x = 24,444.45

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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.