Home / 27,228.85-37,569.21-15,891.86

Finding the Fourth Proportional to 27,228.85, 37,569.21 and 15,891.86

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Solution

The fourth proportional to 27,228.85, 37,569.21 and 15,891.86 is: 21,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.85 : 37,569.21 = 15,891.86 : x
  2. Step 2: Convert to fraction form
    27,228.85/37,569.21 = 15,891.86/x
  3. Step 3: Cross multiply
    27,228.85x = 37,569.21 × 15,891.86
  4. Step 4: Simplify right side
    27,228.85x = 597,044,625.63
  5. Step 5: Solve for x
    x = 597,044,625.63/27,228.85
  6. Step 6: Final answer
    x = 21,926.91

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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.