Home / 28,225.67-42,339.71-26,881.88

Finding the Fourth Proportional to 28,225.67, 42,339.71 and 26,881.88

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Solution

The fourth proportional to 28,225.67, 42,339.71 and 26,881.88 is: 40,323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.67 : 42,339.71 = 26,881.88 : x
  2. Step 2: Convert to fraction form
    28,225.67/42,339.71 = 26,881.88/x
  3. Step 3: Cross multiply
    28,225.67x = 42,339.71 × 26,881.88
  4. Step 4: Simplify right side
    28,225.67x = 1,138,170,858.96
  5. Step 5: Solve for x
    x = 1,138,170,858.96/28,225.67
  6. Step 6: Final answer
    x = 40,323.97

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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.