Home / 28,775.52-43,145.96-11,253.60

Finding the Fourth Proportional to 28,775.52, 43,145.96 and 11,253.60

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Solution

The fourth proportional to 28,775.52, 43,145.96 and 11,253.60 is: 16,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.52 : 43,145.96 = 11,253.60 : x
  2. Step 2: Convert to fraction form
    28,775.52/43,145.96 = 11,253.60/x
  3. Step 3: Cross multiply
    28,775.52x = 43,145.96 × 11,253.60
  4. Step 4: Simplify right side
    28,775.52x = 485,547,375.46
  5. Step 5: Solve for x
    x = 485,547,375.46/28,775.52
  6. Step 6: Final answer
    x = 16,873.63

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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.