Home / 38,238-52,776.87-21,248.07

Finding the Fourth Proportional to 38,238, 52,776.87 and 21,248.07

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Solution

The fourth proportional to 38,238, 52,776.87 and 21,248.07 is: 29,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238 : 52,776.87 = 21,248.07 : x
  2. Step 2: Convert to fraction form
    38,238/52,776.87 = 21,248.07/x
  3. Step 3: Cross multiply
    38,238x = 52,776.87 × 21,248.07
  4. Step 4: Simplify right side
    38,238x = 1,121,406,628.14
  5. Step 5: Solve for x
    x = 1,121,406,628.14/38,238
  6. Step 6: Final answer
    x = 29,327.02

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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.