Home / 28,369.64-42,488.85-27,385.49

Finding the Fourth Proportional to 28,369.64, 42,488.85 and 27,385.49

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Solution

The fourth proportional to 28,369.64, 42,488.85 and 27,385.49 is: 41,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.64 : 42,488.85 = 27,385.49 : x
  2. Step 2: Convert to fraction form
    28,369.64/42,488.85 = 27,385.49/x
  3. Step 3: Cross multiply
    28,369.64x = 42,488.85 × 27,385.49
  4. Step 4: Simplify right side
    28,369.64x = 1,163,578,185.70
  5. Step 5: Solve for x
    x = 1,163,578,185.70/28,369.64
  6. Step 6: Final answer
    x = 41,014.90

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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.