Home / 27,220.50-37,564.43-15,897.78

Finding the Fourth Proportional to 27,220.50, 37,564.43 and 15,897.78

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Solution

The fourth proportional to 27,220.50, 37,564.43 and 15,897.78 is: 21,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.50 : 37,564.43 = 15,897.78 : x
  2. Step 2: Convert to fraction form
    27,220.50/37,564.43 = 15,897.78/x
  3. Step 3: Cross multiply
    27,220.50x = 37,564.43 × 15,897.78
  4. Step 4: Simplify right side
    27,220.50x = 597,190,964.48
  5. Step 5: Solve for x
    x = 597,190,964.48/27,220.50
  6. Step 6: Final answer
    x = 21,939.02

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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.