Home / 27,777.62-38,332.16-15,844.82

Finding the Fourth Proportional to 27,777.62, 38,332.16 and 15,844.82

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Solution

The fourth proportional to 27,777.62, 38,332.16 and 15,844.82 is: 21,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.62 : 38,332.16 = 15,844.82 : x
  2. Step 2: Convert to fraction form
    27,777.62/38,332.16 = 15,844.82/x
  3. Step 3: Cross multiply
    27,777.62x = 38,332.16 × 15,844.82
  4. Step 4: Simplify right side
    27,777.62x = 607,366,175.41
  5. Step 5: Solve for x
    x = 607,366,175.41/27,777.62
  6. Step 6: Final answer
    x = 21,865.31

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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.