Home / 28,800.06-39,743.90-16,228.86

Finding the Fourth Proportional to 28,800.06, 39,743.90 and 16,228.86

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Solution

The fourth proportional to 28,800.06, 39,743.90 and 16,228.86 is: 22,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.06 : 39,743.90 = 16,228.86 : x
  2. Step 2: Convert to fraction form
    28,800.06/39,743.90 = 16,228.86/x
  3. Step 3: Cross multiply
    28,800.06x = 39,743.90 × 16,228.86
  4. Step 4: Simplify right side
    28,800.06x = 644,998,188.95
  5. Step 5: Solve for x
    x = 644,998,188.95/28,800.06
  6. Step 6: Final answer
    x = 22,395.72

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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.