Home / 28,227.21-38,947.30-16,288.01

Finding the Fourth Proportional to 28,227.21, 38,947.30 and 16,288.01

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Solution

The fourth proportional to 28,227.21, 38,947.30 and 16,288.01 is: 22,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.21 : 38,947.30 = 16,288.01 : x
  2. Step 2: Convert to fraction form
    28,227.21/38,947.30 = 16,288.01/x
  3. Step 3: Cross multiply
    28,227.21x = 38,947.30 × 16,288.01
  4. Step 4: Simplify right side
    28,227.21x = 634,374,011.87
  5. Step 5: Solve for x
    x = 634,374,011.87/28,227.21
  6. Step 6: Final answer
    x = 22,473.85

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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.