Home / 28,236.35-42,345.88-9,511.36

Finding the Fourth Proportional to 28,236.35, 42,345.88 and 9,511.36

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Solution

The fourth proportional to 28,236.35, 42,345.88 and 9,511.36 is: 14,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.35 : 42,345.88 = 9,511.36 : x
  2. Step 2: Convert to fraction form
    28,236.35/42,345.88 = 9,511.36/x
  3. Step 3: Cross multiply
    28,236.35x = 42,345.88 × 9,511.36
  4. Step 4: Simplify right side
    28,236.35x = 402,766,861.64
  5. Step 5: Solve for x
    x = 402,766,861.64/28,236.35
  6. Step 6: Final answer
    x = 14,264.13

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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.