Home / 28,886.38-43,336.05-9,165.58

Finding the Fourth Proportional to 28,886.38, 43,336.05 and 9,165.58

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Solution

The fourth proportional to 28,886.38, 43,336.05 and 9,165.58 is: 13,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.38 : 43,336.05 = 9,165.58 : x
  2. Step 2: Convert to fraction form
    28,886.38/43,336.05 = 9,165.58/x
  3. Step 3: Cross multiply
    28,886.38x = 43,336.05 × 9,165.58
  4. Step 4: Simplify right side
    28,886.38x = 397,200,033.16
  5. Step 5: Solve for x
    x = 397,200,033.16/28,886.38
  6. Step 6: Final answer
    x = 13,750.43

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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.