Home / 27,897.88-38,487.94-17,823.71

Finding the Fourth Proportional to 27,897.88, 38,487.94 and 17,823.71

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Solution

The fourth proportional to 27,897.88, 38,487.94 and 17,823.71 is: 24,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.88 : 38,487.94 = 17,823.71 : x
  2. Step 2: Convert to fraction form
    27,897.88/38,487.94 = 17,823.71/x
  3. Step 3: Cross multiply
    27,897.88x = 38,487.94 × 17,823.71
  4. Step 4: Simplify right side
    27,897.88x = 685,997,881.06
  5. Step 5: Solve for x
    x = 685,997,881.06/27,897.88
  6. Step 6: Final answer
    x = 24,589.61

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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.