Home / 28,691.84-39,592.32-17,511.68

Finding the Fourth Proportional to 28,691.84, 39,592.32 and 17,511.68

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Solution

The fourth proportional to 28,691.84, 39,592.32 and 17,511.68 is: 24,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.84 : 39,592.32 = 17,511.68 : x
  2. Step 2: Convert to fraction form
    28,691.84/39,592.32 = 17,511.68/x
  3. Step 3: Cross multiply
    28,691.84x = 39,592.32 × 17,511.68
  4. Step 4: Simplify right side
    28,691.84x = 693,328,038.30
  5. Step 5: Solve for x
    x = 693,328,038.30/28,691.84
  6. Step 6: Final answer
    x = 24,164.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.