Home / 28,733.38-43,063.57-12,921.52

Finding the Fourth Proportional to 28,733.38, 43,063.57 and 12,921.52

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Solution

The fourth proportional to 28,733.38, 43,063.57 and 12,921.52 is: 19,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.38 : 43,063.57 = 12,921.52 : x
  2. Step 2: Convert to fraction form
    28,733.38/43,063.57 = 12,921.52/x
  3. Step 3: Cross multiply
    28,733.38x = 43,063.57 × 12,921.52
  4. Step 4: Simplify right side
    28,733.38x = 556,446,697.58
  5. Step 5: Solve for x
    x = 556,446,697.58/28,733.38
  6. Step 6: Final answer
    x = 19,365.86

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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.