Home / 28,217.88-38,944.71-16,285.32

Finding the Fourth Proportional to 28,217.88, 38,944.71 and 16,285.32

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Solution

The fourth proportional to 28,217.88, 38,944.71 and 16,285.32 is: 22,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217.88 : 38,944.71 = 16,285.32 : x
  2. Step 2: Convert to fraction form
    28,217.88/38,944.71 = 16,285.32/x
  3. Step 3: Cross multiply
    28,217.88x = 38,944.71 × 16,285.32
  4. Step 4: Simplify right side
    28,217.88x = 634,227,064.66
  5. Step 5: Solve for x
    x = 634,227,064.66/28,217.88
  6. Step 6: Final answer
    x = 22,476.07

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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.