Home / 28,219.16-38,944.26-16,283

Finding the Fourth Proportional to 28,219.16, 38,944.26 and 16,283

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Solution

The fourth proportional to 28,219.16, 38,944.26 and 16,283 is: 22,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.16 : 38,944.26 = 16,283 : x
  2. Step 2: Convert to fraction form
    28,219.16/38,944.26 = 16,283/x
  3. Step 3: Cross multiply
    28,219.16x = 38,944.26 × 16,283
  4. Step 4: Simplify right side
    28,219.16x = 634,129,385.58
  5. Step 5: Solve for x
    x = 634,129,385.58/28,219.16
  6. Step 6: Final answer
    x = 22,471.59

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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.