Home / 38,375.28-52,954.29-28,309.31

Finding the Fourth Proportional to 38,375.28, 52,954.29 and 28,309.31

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Solution

The fourth proportional to 38,375.28, 52,954.29 and 28,309.31 is: 39,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375.28 : 52,954.29 = 28,309.31 : x
  2. Step 2: Convert to fraction form
    38,375.28/52,954.29 = 28,309.31/x
  3. Step 3: Cross multiply
    38,375.28x = 52,954.29 × 28,309.31
  4. Step 4: Simplify right side
    38,375.28x = 1,499,099,345.25
  5. Step 5: Solve for x
    x = 1,499,099,345.25/38,375.28
  6. Step 6: Final answer
    x = 39,064.19

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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.