Home / 28,988.94-43,449.81-13,374.06

Finding the Fourth Proportional to 28,988.94, 43,449.81 and 13,374.06

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Solution

The fourth proportional to 28,988.94, 43,449.81 and 13,374.06 is: 20,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988.94 : 43,449.81 = 13,374.06 : x
  2. Step 2: Convert to fraction form
    28,988.94/43,449.81 = 13,374.06/x
  3. Step 3: Cross multiply
    28,988.94x = 43,449.81 × 13,374.06
  4. Step 4: Simplify right side
    28,988.94x = 581,100,365.93
  5. Step 5: Solve for x
    x = 581,100,365.93/28,988.94
  6. Step 6: Final answer
    x = 20,045.59

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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.