Home / 28,083.18-38,772.99-17,477.10

Finding the Fourth Proportional to 28,083.18, 38,772.99 and 17,477.10

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Solution

The fourth proportional to 28,083.18, 38,772.99 and 17,477.10 is: 24,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.18 : 38,772.99 = 17,477.10 : x
  2. Step 2: Convert to fraction form
    28,083.18/38,772.99 = 17,477.10/x
  3. Step 3: Cross multiply
    28,083.18x = 38,772.99 × 17,477.10
  4. Step 4: Simplify right side
    28,083.18x = 677,639,423.53
  5. Step 5: Solve for x
    x = 677,639,423.53/28,083.18
  6. Step 6: Final answer
    x = 24,129.73

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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.