Home / 28,775.49-39,710.16-16,841.12

Finding the Fourth Proportional to 28,775.49, 39,710.16 and 16,841.12

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Solution

The fourth proportional to 28,775.49, 39,710.16 and 16,841.12 is: 23,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.49 : 39,710.16 = 16,841.12 : x
  2. Step 2: Convert to fraction form
    28,775.49/39,710.16 = 16,841.12/x
  3. Step 3: Cross multiply
    28,775.49x = 39,710.16 × 16,841.12
  4. Step 4: Simplify right side
    28,775.49x = 668,763,371.23
  5. Step 5: Solve for x
    x = 668,763,371.23/28,775.49
  6. Step 6: Final answer
    x = 23,240.73

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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.