Home / 28,370.84-42,536.52-12,567.29

Finding the Fourth Proportional to 28,370.84, 42,536.52 and 12,567.29

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Solution

The fourth proportional to 28,370.84, 42,536.52 and 12,567.29 is: 18,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.84 : 42,536.52 = 12,567.29 : x
  2. Step 2: Convert to fraction form
    28,370.84/42,536.52 = 12,567.29/x
  3. Step 3: Cross multiply
    28,370.84x = 42,536.52 × 12,567.29
  4. Step 4: Simplify right side
    28,370.84x = 534,568,782.43
  5. Step 5: Solve for x
    x = 534,568,782.43/28,370.84
  6. Step 6: Final answer
    x = 18,842.19

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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.