Home / 28,223.10-38,940.10-17,462.80

Finding the Fourth Proportional to 28,223.10, 38,940.10 and 17,462.80

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Solution

The fourth proportional to 28,223.10, 38,940.10 and 17,462.80 is: 24,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223.10 : 38,940.10 = 17,462.80 : x
  2. Step 2: Convert to fraction form
    28,223.10/38,940.10 = 17,462.80/x
  3. Step 3: Cross multiply
    28,223.10x = 38,940.10 × 17,462.80
  4. Step 4: Simplify right side
    28,223.10x = 680,003,178.28
  5. Step 5: Solve for x
    x = 680,003,178.28/28,223.10
  6. Step 6: Final answer
    x = 24,093.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.