Home / 28,276.68-39,020.06-16,338.08

Finding the Fourth Proportional to 28,276.68, 39,020.06 and 16,338.08

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Solution

The fourth proportional to 28,276.68, 39,020.06 and 16,338.08 is: 22,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.68 : 39,020.06 = 16,338.08 : x
  2. Step 2: Convert to fraction form
    28,276.68/39,020.06 = 16,338.08/x
  3. Step 3: Cross multiply
    28,276.68x = 39,020.06 × 16,338.08
  4. Step 4: Simplify right side
    28,276.68x = 637,512,861.88
  5. Step 5: Solve for x
    x = 637,512,861.88/28,276.68
  6. Step 6: Final answer
    x = 22,545.53

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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.