Home / 27,692.28-38,216.13-15,117.84

Finding the Fourth Proportional to 27,692.28, 38,216.13 and 15,117.84

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Solution

The fourth proportional to 27,692.28, 38,216.13 and 15,117.84 is: 20,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.28 : 38,216.13 = 15,117.84 : x
  2. Step 2: Convert to fraction form
    27,692.28/38,216.13 = 15,117.84/x
  3. Step 3: Cross multiply
    27,692.28x = 38,216.13 × 15,117.84
  4. Step 4: Simplify right side
    27,692.28x = 577,745,338.76
  5. Step 5: Solve for x
    x = 577,745,338.76/27,692.28
  6. Step 6: Final answer
    x = 20,863.05

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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.