Home / 28,324.59-42,492-11,675.36

Finding the Fourth Proportional to 28,324.59, 42,492 and 11,675.36

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Solution

The fourth proportional to 28,324.59, 42,492 and 11,675.36 is: 17,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.59 : 42,492 = 11,675.36 : x
  2. Step 2: Convert to fraction form
    28,324.59/42,492 = 11,675.36/x
  3. Step 3: Cross multiply
    28,324.59x = 42,492 × 11,675.36
  4. Step 4: Simplify right side
    28,324.59x = 496,109,184.66
  5. Step 5: Solve for x
    x = 496,109,184.66/28,324.59
  6. Step 6: Final answer
    x = 17,515.14

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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.