Home / 57,813.42-86,723.91-17,827.50

Finding the Fourth Proportional to 57,813.42, 86,723.91 and 17,827.50

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Solution

The fourth proportional to 57,813.42, 86,723.91 and 17,827.50 is: 26,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,813.42 : 86,723.91 = 17,827.50 : x
  2. Step 2: Convert to fraction form
    57,813.42/86,723.91 = 17,827.50/x
  3. Step 3: Cross multiply
    57,813.42x = 86,723.91 × 17,827.50
  4. Step 4: Simplify right side
    57,813.42x = 1,546,070,505.53
  5. Step 5: Solve for x
    x = 1,546,070,505.53/57,813.42
  6. Step 6: Final answer
    x = 26,742.42

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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.