Home / 28,790.66-43,088.45-17,704.37

Finding the Fourth Proportional to 28,790.66, 43,088.45 and 17,704.37

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Solution

The fourth proportional to 28,790.66, 43,088.45 and 17,704.37 is: 26,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.66 : 43,088.45 = 17,704.37 : x
  2. Step 2: Convert to fraction form
    28,790.66/43,088.45 = 17,704.37/x
  3. Step 3: Cross multiply
    28,790.66x = 43,088.45 × 17,704.37
  4. Step 4: Simplify right side
    28,790.66x = 762,854,013.51
  5. Step 5: Solve for x
    x = 762,854,013.51/28,790.66
  6. Step 6: Final answer
    x = 26,496.58

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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.