Home / 27,897.50-38,503.41-15,961.34

Finding the Fourth Proportional to 27,897.50, 38,503.41 and 15,961.34

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Solution

The fourth proportional to 27,897.50, 38,503.41 and 15,961.34 is: 22,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.50 : 38,503.41 = 15,961.34 : x
  2. Step 2: Convert to fraction form
    27,897.50/38,503.41 = 15,961.34/x
  3. Step 3: Cross multiply
    27,897.50x = 38,503.41 × 15,961.34
  4. Step 4: Simplify right side
    27,897.50x = 614,566,018.17
  5. Step 5: Solve for x
    x = 614,566,018.17/27,897.50
  6. Step 6: Final answer
    x = 22,029.43

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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.