Home / 28,529.70-42,804.68-12,733.29

Finding the Fourth Proportional to 28,529.70, 42,804.68 and 12,733.29

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Solution

The fourth proportional to 28,529.70, 42,804.68 and 12,733.29 is: 19,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.70 : 42,804.68 = 12,733.29 : x
  2. Step 2: Convert to fraction form
    28,529.70/42,804.68 = 12,733.29/x
  3. Step 3: Cross multiply
    28,529.70x = 42,804.68 × 12,733.29
  4. Step 4: Simplify right side
    28,529.70x = 545,044,340.13
  5. Step 5: Solve for x
    x = 545,044,340.13/28,529.70
  6. Step 6: Final answer
    x = 19,104.46

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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.