Home / 28,818.08-43,246.56-11,285.72

Finding the Fourth Proportional to 28,818.08, 43,246.56 and 11,285.72

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Solution

The fourth proportional to 28,818.08, 43,246.56 and 11,285.72 is: 16,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.08 : 43,246.56 = 11,285.72 : x
  2. Step 2: Convert to fraction form
    28,818.08/43,246.56 = 11,285.72/x
  3. Step 3: Cross multiply
    28,818.08x = 43,246.56 × 11,285.72
  4. Step 4: Simplify right side
    28,818.08x = 488,068,567.12
  5. Step 5: Solve for x
    x = 488,068,567.12/28,818.08
  6. Step 6: Final answer
    x = 16,936.19

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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.