Home / 27,692.96-38,216.94-15,117.80

Finding the Fourth Proportional to 27,692.96, 38,216.94 and 15,117.80

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Solution

The fourth proportional to 27,692.96, 38,216.94 and 15,117.80 is: 20,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.96 : 38,216.94 = 15,117.80 : x
  2. Step 2: Convert to fraction form
    27,692.96/38,216.94 = 15,117.80/x
  3. Step 3: Cross multiply
    27,692.96x = 38,216.94 × 15,117.80
  4. Step 4: Simplify right side
    27,692.96x = 577,756,055.53
  5. Step 5: Solve for x
    x = 577,756,055.53/27,692.96
  6. Step 6: Final answer
    x = 20,862.92

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Half scale
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Double scale
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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.