Home / 28,885.82-43,336.02-8,109.32

Finding the Fourth Proportional to 28,885.82, 43,336.02 and 8,109.32

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Solution

The fourth proportional to 28,885.82, 43,336.02 and 8,109.32 is: 12,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.82 : 43,336.02 = 8,109.32 : x
  2. Step 2: Convert to fraction form
    28,885.82/43,336.02 = 8,109.32/x
  3. Step 3: Cross multiply
    28,885.82x = 43,336.02 × 8,109.32
  4. Step 4: Simplify right side
    28,885.82x = 351,425,653.71
  5. Step 5: Solve for x
    x = 351,425,653.71/28,885.82
  6. Step 6: Final answer
    x = 12,166.03

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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.