Home / 28,991.55-43,497.69-17,885.33

Finding the Fourth Proportional to 28,991.55, 43,497.69 and 17,885.33

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Solution

The fourth proportional to 28,991.55, 43,497.69 and 17,885.33 is: 26,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.55 : 43,497.69 = 17,885.33 : x
  2. Step 2: Convert to fraction form
    28,991.55/43,497.69 = 17,885.33/x
  3. Step 3: Cross multiply
    28,991.55x = 43,497.69 × 17,885.33
  4. Step 4: Simplify right side
    28,991.55x = 777,970,539.89
  5. Step 5: Solve for x
    x = 777,970,539.89/28,991.55
  6. Step 6: Final answer
    x = 26,834.39

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1.5x scale

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.