Home / 28,084.08-42,121.28-9,362

Finding the Fourth Proportional to 28,084.08, 42,121.28 and 9,362

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Solution

The fourth proportional to 28,084.08, 42,121.28 and 9,362 is: 14,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.08 : 42,121.28 = 9,362 : x
  2. Step 2: Convert to fraction form
    28,084.08/42,121.28 = 9,362/x
  3. Step 3: Cross multiply
    28,084.08x = 42,121.28 × 9,362
  4. Step 4: Simplify right side
    28,084.08x = 394,339,423.36
  5. Step 5: Solve for x
    x = 394,339,423.36/28,084.08
  6. Step 6: Final answer
    x = 14,041.39

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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.