Home / 27,692.72-38,215.97-17,088.50

Finding the Fourth Proportional to 27,692.72, 38,215.97 and 17,088.50

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Solution

The fourth proportional to 27,692.72, 38,215.97 and 17,088.50 is: 23,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.72 : 38,215.97 = 17,088.50 : x
  2. Step 2: Convert to fraction form
    27,692.72/38,215.97 = 17,088.50/x
  3. Step 3: Cross multiply
    27,692.72x = 38,215.97 × 17,088.50
  4. Step 4: Simplify right side
    27,692.72x = 653,053,677.52
  5. Step 5: Solve for x
    x = 653,053,677.52/27,692.72
  6. Step 6: Final answer
    x = 23,582.14

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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.