Home / 28,473.35-42,699.48-16,631.15

Finding the Fourth Proportional to 28,473.35, 42,699.48 and 16,631.15

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Solution

The fourth proportional to 28,473.35, 42,699.48 and 16,631.15 is: 24,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.35 : 42,699.48 = 16,631.15 : x
  2. Step 2: Convert to fraction form
    28,473.35/42,699.48 = 16,631.15/x
  3. Step 3: Cross multiply
    28,473.35x = 42,699.48 × 16,631.15
  4. Step 4: Simplify right side
    28,473.35x = 710,141,243.30
  5. Step 5: Solve for x
    x = 710,141,243.30/28,473.35
  6. Step 6: Final answer
    x = 24,940.56

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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.