Home / 84,926.55-127,407.96-28,764.72

Finding the Fourth Proportional to 84,926.55, 127,407.96 and 28,764.72

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Solution

The fourth proportional to 84,926.55, 127,407.96 and 28,764.72 is: 43,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,926.55 : 127,407.96 = 28,764.72 : x
  2. Step 2: Convert to fraction form
    84,926.55/127,407.96 = 28,764.72/x
  3. Step 3: Cross multiply
    84,926.55x = 127,407.96 × 28,764.72
  4. Step 4: Simplify right side
    84,926.55x = 3,664,854,295.17
  5. Step 5: Solve for x
    x = 3,664,854,295.17/84,926.55
  6. Step 6: Final answer
    x = 43,153.22

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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.