Home / 28,693.84-42,963.36-16,195.20

Finding the Fourth Proportional to 28,693.84, 42,963.36 and 16,195.20

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Solution

The fourth proportional to 28,693.84, 42,963.36 and 16,195.20 is: 24,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.84 : 42,963.36 = 16,195.20 : x
  2. Step 2: Convert to fraction form
    28,693.84/42,963.36 = 16,195.20/x
  3. Step 3: Cross multiply
    28,693.84x = 42,963.36 × 16,195.20
  4. Step 4: Simplify right side
    28,693.84x = 695,800,207.87
  5. Step 5: Solve for x
    x = 695,800,207.87/28,693.84
  6. Step 6: Final answer
    x = 24,249.11

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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.