Home / 27,692.51-38,215.46-15,117.26

Finding the Fourth Proportional to 27,692.51, 38,215.46 and 15,117.26

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Solution

The fourth proportional to 27,692.51, 38,215.46 and 15,117.26 is: 20,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.51 : 38,215.46 = 15,117.26 : x
  2. Step 2: Convert to fraction form
    27,692.51/38,215.46 = 15,117.26/x
  3. Step 3: Cross multiply
    27,692.51x = 38,215.46 × 15,117.26
  4. Step 4: Simplify right side
    27,692.51x = 577,712,778.18
  5. Step 5: Solve for x
    x = 577,712,778.18/27,692.51
  6. Step 6: Final answer
    x = 20,861.70

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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.