Home / 28,371.84-39,141.76-17,611.68

Finding the Fourth Proportional to 28,371.84, 39,141.76 and 17,611.68

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Solution

The fourth proportional to 28,371.84, 39,141.76 and 17,611.68 is: 24,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.84 : 39,141.76 = 17,611.68 : x
  2. Step 2: Convert to fraction form
    28,371.84/39,141.76 = 17,611.68/x
  3. Step 3: Cross multiply
    28,371.84x = 39,141.76 × 17,611.68
  4. Step 4: Simplify right side
    28,371.84x = 689,352,151.76
  5. Step 5: Solve for x
    x = 689,352,151.76/28,371.84
  6. Step 6: Final answer
    x = 24,297.05

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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.