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Finding the Fourth Proportional to 27,797.01, 38,359.17 and 15,532.52

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Solution

The fourth proportional to 27,797.01, 38,359.17 and 15,532.52 is: 21,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,797.01 : 38,359.17 = 15,532.52 : x
  2. Step 2: Convert to fraction form
    27,797.01/38,359.17 = 15,532.52/x
  3. Step 3: Cross multiply
    27,797.01x = 38,359.17 × 15,532.52
  4. Step 4: Simplify right side
    27,797.01x = 595,814,653.13
  5. Step 5: Solve for x
    x = 595,814,653.13/27,797.01
  6. Step 6: Final answer
    x = 21,434.49

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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.