Home / 28,446.24-42,669-12,852.96

Finding the Fourth Proportional to 28,446.24, 42,669 and 12,852.96

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Solution

The fourth proportional to 28,446.24, 42,669 and 12,852.96 is: 19,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.24 : 42,669 = 12,852.96 : x
  2. Step 2: Convert to fraction form
    28,446.24/42,669 = 12,852.96/x
  3. Step 3: Cross multiply
    28,446.24x = 42,669 × 12,852.96
  4. Step 4: Simplify right side
    28,446.24x = 548,422,950.24
  5. Step 5: Solve for x
    x = 548,422,950.24/28,446.24
  6. Step 6: Final answer
    x = 19,279.28

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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.