Home / 28,606.64-42,909.42-8,884.76

Finding the Fourth Proportional to 28,606.64, 42,909.42 and 8,884.76

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Solution

The fourth proportional to 28,606.64, 42,909.42 and 8,884.76 is: 13,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.64 : 42,909.42 = 8,884.76 : x
  2. Step 2: Convert to fraction form
    28,606.64/42,909.42 = 8,884.76/x
  3. Step 3: Cross multiply
    28,606.64x = 42,909.42 × 8,884.76
  4. Step 4: Simplify right side
    28,606.64x = 381,239,898.44
  5. Step 5: Solve for x
    x = 381,239,898.44/28,606.64
  6. Step 6: Final answer
    x = 13,326.97

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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.