Home / 28,926.75-43,395.56-13,132.90

Finding the Fourth Proportional to 28,926.75, 43,395.56 and 13,132.90

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Solution

The fourth proportional to 28,926.75, 43,395.56 and 13,132.90 is: 19,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.75 : 43,395.56 = 13,132.90 : x
  2. Step 2: Convert to fraction form
    28,926.75/43,395.56 = 13,132.90/x
  3. Step 3: Cross multiply
    28,926.75x = 43,395.56 × 13,132.90
  4. Step 4: Simplify right side
    28,926.75x = 569,909,661.62
  5. Step 5: Solve for x
    x = 569,909,661.62/28,926.75
  6. Step 6: Final answer
    x = 19,701.82

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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.