Home / 28,236.02-38,960.61-16,299.86

Finding the Fourth Proportional to 28,236.02, 38,960.61 and 16,299.86

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Solution

The fourth proportional to 28,236.02, 38,960.61 and 16,299.86 is: 22,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.02 : 38,960.61 = 16,299.86 : x
  2. Step 2: Convert to fraction form
    28,236.02/38,960.61 = 16,299.86/x
  3. Step 3: Cross multiply
    28,236.02x = 38,960.61 × 16,299.86
  4. Step 4: Simplify right side
    28,236.02x = 635,052,488.51
  5. Step 5: Solve for x
    x = 635,052,488.51/28,236.02
  6. Step 6: Final answer
    x = 22,490.86

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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.