Home / 29,120.98-43,599.39-28,187.86

Finding the Fourth Proportional to 29,120.98, 43,599.39 and 28,187.86

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Solution

The fourth proportional to 29,120.98, 43,599.39 and 28,187.86 is: 42,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.98 : 43,599.39 = 28,187.86 : x
  2. Step 2: Convert to fraction form
    29,120.98/43,599.39 = 28,187.86/x
  3. Step 3: Cross multiply
    29,120.98x = 43,599.39 × 28,187.86
  4. Step 4: Simplify right side
    29,120.98x = 1,228,973,501.41
  5. Step 5: Solve for x
    x = 1,228,973,501.41/29,120.98
  6. Step 6: Final answer
    x = 42,202.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.