Home / 28,236.72-38,968.44-16,302.24

Finding the Fourth Proportional to 28,236.72, 38,968.44 and 16,302.24

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Solution

The fourth proportional to 28,236.72, 38,968.44 and 16,302.24 is: 22,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.72 : 38,968.44 = 16,302.24 : x
  2. Step 2: Convert to fraction form
    28,236.72/38,968.44 = 16,302.24/x
  3. Step 3: Cross multiply
    28,236.72x = 38,968.44 × 16,302.24
  4. Step 4: Simplify right side
    28,236.72x = 635,272,861.31
  5. Step 5: Solve for x
    x = 635,272,861.31/28,236.72
  6. Step 6: Final answer
    x = 22,498.11

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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.