Home / 38,238.56-52,777.64-21,248.64

Finding the Fourth Proportional to 38,238.56, 52,777.64 and 21,248.64

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Solution

The fourth proportional to 38,238.56, 52,777.64 and 21,248.64 is: 29,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.56 : 52,777.64 = 21,248.64 : x
  2. Step 2: Convert to fraction form
    38,238.56/52,777.64 = 21,248.64/x
  3. Step 3: Cross multiply
    38,238.56x = 52,777.64 × 21,248.64
  4. Step 4: Simplify right side
    38,238.56x = 1,121,453,072.41
  5. Step 5: Solve for x
    x = 1,121,453,072.41/38,238.56
  6. Step 6: Final answer
    x = 29,327.81

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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.