Home / 28,559.76-42,841.23-8,836.78

Finding the Fourth Proportional to 28,559.76, 42,841.23 and 8,836.78

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Solution

The fourth proportional to 28,559.76, 42,841.23 and 8,836.78 is: 13,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.76 : 42,841.23 = 8,836.78 : x
  2. Step 2: Convert to fraction form
    28,559.76/42,841.23 = 8,836.78/x
  3. Step 3: Cross multiply
    28,559.76x = 42,841.23 × 8,836.78
  4. Step 4: Simplify right side
    28,559.76x = 378,578,310.23
  5. Step 5: Solve for x
    x = 378,578,310.23/28,559.76
  6. Step 6: Final answer
    x = 13,255.65

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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.