Home / 38,013.96-52,431.30-27,939

Finding the Fourth Proportional to 38,013.96, 52,431.30 and 27,939

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Solution

The fourth proportional to 38,013.96, 52,431.30 and 27,939 is: 38,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.96 : 52,431.30 = 27,939 : x
  2. Step 2: Convert to fraction form
    38,013.96/52,431.30 = 27,939/x
  3. Step 3: Cross multiply
    38,013.96x = 52,431.30 × 27,939
  4. Step 4: Simplify right side
    38,013.96x = 1,464,878,090.70
  5. Step 5: Solve for x
    x = 1,464,878,090.70/38,013.96
  6. Step 6: Final answer
    x = 38,535.27

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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.