Home / 27,692.26-38,215.11-15,117.01

Finding the Fourth Proportional to 27,692.26, 38,215.11 and 15,117.01

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Solution

The fourth proportional to 27,692.26, 38,215.11 and 15,117.01 is: 20,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.26 : 38,215.11 = 15,117.01 : x
  2. Step 2: Convert to fraction form
    27,692.26/38,215.11 = 15,117.01/x
  3. Step 3: Cross multiply
    27,692.26x = 38,215.11 × 15,117.01
  4. Step 4: Simplify right side
    27,692.26x = 577,698,008.95
  5. Step 5: Solve for x
    x = 577,698,008.95/27,692.26
  6. Step 6: Final answer
    x = 20,861.36

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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.