Home / 28,227.96-38,956.14-15,652.44

Finding the Fourth Proportional to 28,227.96, 38,956.14 and 15,652.44

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Solution

The fourth proportional to 28,227.96, 38,956.14 and 15,652.44 is: 21,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.96 : 38,956.14 = 15,652.44 : x
  2. Step 2: Convert to fraction form
    28,227.96/38,956.14 = 15,652.44/x
  3. Step 3: Cross multiply
    28,227.96x = 38,956.14 × 15,652.44
  4. Step 4: Simplify right side
    28,227.96x = 609,758,643.98
  5. Step 5: Solve for x
    x = 609,758,643.98/28,227.96
  6. Step 6: Final answer
    x = 21,601.23

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Half 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.