Home / 28,798.22-43,099.80-17,711.94

Finding the Fourth Proportional to 28,798.22, 43,099.80 and 17,711.94

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Solution

The fourth proportional to 28,798.22, 43,099.80 and 17,711.94 is: 26,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,798.22 : 43,099.80 = 17,711.94 : x
  2. Step 2: Convert to fraction form
    28,798.22/43,099.80 = 17,711.94/x
  3. Step 3: Cross multiply
    28,798.22x = 43,099.80 × 17,711.94
  4. Step 4: Simplify right side
    28,798.22x = 763,381,071.61
  5. Step 5: Solve for x
    x = 763,381,071.61/28,798.22
  6. Step 6: Final answer
    x = 26,507.93

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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.