Home / 27,897.07-38,486.82-17,822.90

Finding the Fourth Proportional to 27,897.07, 38,486.82 and 17,822.90

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Solution

The fourth proportional to 27,897.07, 38,486.82 and 17,822.90 is: 24,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.07 : 38,486.82 = 17,822.90 : x
  2. Step 2: Convert to fraction form
    27,897.07/38,486.82 = 17,822.90/x
  3. Step 3: Cross multiply
    27,897.07x = 38,486.82 × 17,822.90
  4. Step 4: Simplify right side
    27,897.07x = 685,946,551.74
  5. Step 5: Solve for x
    x = 685,946,551.74/27,897.07
  6. Step 6: Final answer
    x = 24,588.48

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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.