Home / 27,332.60-37,729.56-21,366.20

Finding the Fourth Proportional to 27,332.60, 37,729.56 and 21,366.20

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Solution

The fourth proportional to 27,332.60, 37,729.56 and 21,366.20 is: 29,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,332.60 : 37,729.56 = 21,366.20 : x
  2. Step 2: Convert to fraction form
    27,332.60/37,729.56 = 21,366.20/x
  3. Step 3: Cross multiply
    27,332.60x = 37,729.56 × 21,366.20
  4. Step 4: Simplify right side
    27,332.60x = 806,137,136.22
  5. Step 5: Solve for x
    x = 806,137,136.22/27,332.60
  6. Step 6: Final answer
    x = 29,493.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.