Home / 28,841.28-43,263.63-8,064.78

Finding the Fourth Proportional to 28,841.28, 43,263.63 and 8,064.78

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Solution

The fourth proportional to 28,841.28, 43,263.63 and 8,064.78 is: 12,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.28 : 43,263.63 = 8,064.78 : x
  2. Step 2: Convert to fraction form
    28,841.28/43,263.63 = 8,064.78/x
  3. Step 3: Cross multiply
    28,841.28x = 43,263.63 × 8,064.78
  4. Step 4: Simplify right side
    28,841.28x = 348,911,657.95
  5. Step 5: Solve for x
    x = 348,911,657.95/28,841.28
  6. Step 6: Final answer
    x = 12,097.65

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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.