Home / 27,963.61-38,590.44-15,864.91

Finding the Fourth Proportional to 27,963.61, 38,590.44 and 15,864.91

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Solution

The fourth proportional to 27,963.61, 38,590.44 and 15,864.91 is: 21,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.61 : 38,590.44 = 15,864.91 : x
  2. Step 2: Convert to fraction form
    27,963.61/38,590.44 = 15,864.91/x
  3. Step 3: Cross multiply
    27,963.61x = 38,590.44 × 15,864.91
  4. Step 4: Simplify right side
    27,963.61x = 612,233,857.46
  5. Step 5: Solve for x
    x = 612,233,857.46/27,963.61
  6. Step 6: Final answer
    x = 21,893.95

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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.