Home / 28,203.60-38,922.87-16,267.74

Finding the Fourth Proportional to 28,203.60, 38,922.87 and 16,267.74

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Solution

The fourth proportional to 28,203.60, 38,922.87 and 16,267.74 is: 22,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.60 : 38,922.87 = 16,267.74 : x
  2. Step 2: Convert to fraction form
    28,203.60/38,922.87 = 16,267.74/x
  3. Step 3: Cross multiply
    28,203.60x = 38,922.87 × 16,267.74
  4. Step 4: Simplify right side
    28,203.60x = 633,187,129.21
  5. Step 5: Solve for x
    x = 633,187,129.21/28,203.60
  6. Step 6: Final answer
    x = 22,450.58

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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.