Home / 31,250.83-43,125.96-28,709.14

Finding the Fourth Proportional to 31,250.83, 43,125.96 and 28,709.14

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Solution

The fourth proportional to 31,250.83, 43,125.96 and 28,709.14 is: 39,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.83 : 43,125.96 = 28,709.14 : x
  2. Step 2: Convert to fraction form
    31,250.83/43,125.96 = 28,709.14/x
  3. Step 3: Cross multiply
    31,250.83x = 43,125.96 × 28,709.14
  4. Step 4: Simplify right side
    31,250.83x = 1,238,109,223.27
  5. Step 5: Solve for x
    x = 1,238,109,223.27/31,250.83
  6. Step 6: Final answer
    x = 39,618.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.