Home / 57,926.68-86,894.88-18,489.40

Finding the Fourth Proportional to 57,926.68, 86,894.88 and 18,489.40

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Solution

The fourth proportional to 57,926.68, 86,894.88 and 18,489.40 is: 27,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,926.68 : 86,894.88 = 18,489.40 : x
  2. Step 2: Convert to fraction form
    57,926.68/86,894.88 = 18,489.40/x
  3. Step 3: Cross multiply
    57,926.68x = 86,894.88 × 18,489.40
  4. Step 4: Simplify right side
    57,926.68x = 1,606,634,194.27
  5. Step 5: Solve for x
    x = 1,606,634,194.27/57,926.68
  6. Step 6: Final answer
    x = 27,735.65

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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.