Home / 28,126.10-42,195.55-16,433.30

Finding the Fourth Proportional to 28,126.10, 42,195.55 and 16,433.30

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Solution

The fourth proportional to 28,126.10, 42,195.55 and 16,433.30 is: 24,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.10 : 42,195.55 = 16,433.30 : x
  2. Step 2: Convert to fraction form
    28,126.10/42,195.55 = 16,433.30/x
  3. Step 3: Cross multiply
    28,126.10x = 42,195.55 × 16,433.30
  4. Step 4: Simplify right side
    28,126.10x = 693,412,131.82
  5. Step 5: Solve for x
    x = 693,412,131.82/28,126.10
  6. Step 6: Final answer
    x = 24,653.69

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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.