Home / 28,098.07-38,775.30-16,161.10

Finding the Fourth Proportional to 28,098.07, 38,775.30 and 16,161.10

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Solution

The fourth proportional to 28,098.07, 38,775.30 and 16,161.10 is: 22,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098.07 : 38,775.30 = 16,161.10 : x
  2. Step 2: Convert to fraction form
    28,098.07/38,775.30 = 16,161.10/x
  3. Step 3: Cross multiply
    28,098.07x = 38,775.30 × 16,161.10
  4. Step 4: Simplify right side
    28,098.07x = 626,651,500.83
  5. Step 5: Solve for x
    x = 626,651,500.83/28,098.07
  6. Step 6: Final answer
    x = 22,302.30

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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.