Home / 28,063.28-42,101.86-8,341.76

Finding the Fourth Proportional to 28,063.28, 42,101.86 and 8,341.76

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Solution

The fourth proportional to 28,063.28, 42,101.86 and 8,341.76 is: 12,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.28 : 42,101.86 = 8,341.76 : x
  2. Step 2: Convert to fraction form
    28,063.28/42,101.86 = 8,341.76/x
  3. Step 3: Cross multiply
    28,063.28x = 42,101.86 × 8,341.76
  4. Step 4: Simplify right side
    28,063.28x = 351,203,611.67
  5. Step 5: Solve for x
    x = 351,203,611.67/28,063.28
  6. Step 6: Final answer
    x = 12,514.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.