Home / 28,098.57-38,775.99-16,161.60

Finding the Fourth Proportional to 28,098.57, 38,775.99 and 16,161.60

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Solution

The fourth proportional to 28,098.57, 38,775.99 and 16,161.60 is: 22,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.57 : 38,775.99 = 16,161.60 : x
  2. Step 2: Convert to fraction form
    28,098.57/38,775.99 = 16,161.60/x
  3. Step 3: Cross multiply
    28,098.57x = 38,775.99 × 16,161.60
  4. Step 4: Simplify right side
    28,098.57x = 626,681,846.10
  5. Step 5: Solve for x
    x = 626,681,846.10/28,098.57
  6. Step 6: Final answer
    x = 22,302.98

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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.