Home / 31,528.59-47,292.85-11,816.43

Finding the Fourth Proportional to 31,528.59, 47,292.85 and 11,816.43

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Solution

The fourth proportional to 31,528.59, 47,292.85 and 11,816.43 is: 17,724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.59 : 47,292.85 = 11,816.43 : x
  2. Step 2: Convert to fraction form
    31,528.59/47,292.85 = 11,816.43/x
  3. Step 3: Cross multiply
    31,528.59x = 47,292.85 × 11,816.43
  4. Step 4: Simplify right side
    31,528.59x = 558,832,651.53
  5. Step 5: Solve for x
    x = 558,832,651.53/31,528.59
  6. Step 6: Final answer
    x = 17,724.63

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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.