Home / 27,084.04-40,639.73-12,283.52

Finding the Fourth Proportional to 27,084.04, 40,639.73 and 12,283.52

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Solution

The fourth proportional to 27,084.04, 40,639.73 and 12,283.52 is: 18,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,084.04 : 40,639.73 = 12,283.52 : x
  2. Step 2: Convert to fraction form
    27,084.04/40,639.73 = 12,283.52/x
  3. Step 3: Cross multiply
    27,084.04x = 40,639.73 × 12,283.52
  4. Step 4: Simplify right side
    27,084.04x = 499,198,671.63
  5. Step 5: Solve for x
    x = 499,198,671.63/27,084.04
  6. Step 6: Final answer
    x = 18,431.47

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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.