Home / 38,997.84-58,505.40-18,210

Finding the Fourth Proportional to 38,997.84, 58,505.40 and 18,210

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Solution

The fourth proportional to 38,997.84, 58,505.40 and 18,210 is: 27,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997.84 : 58,505.40 = 18,210 : x
  2. Step 2: Convert to fraction form
    38,997.84/58,505.40 = 18,210/x
  3. Step 3: Cross multiply
    38,997.84x = 58,505.40 × 18,210
  4. Step 4: Simplify right side
    38,997.84x = 1,065,383,334
  5. Step 5: Solve for x
    x = 1,065,383,334/38,997.84
  6. Step 6: Final answer
    x = 27,319.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.