Home / 28,092.08-38,768.20-16,155.42

Finding the Fourth Proportional to 28,092.08, 38,768.20 and 16,155.42

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Solution

The fourth proportional to 28,092.08, 38,768.20 and 16,155.42 is: 22,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.08 : 38,768.20 = 16,155.42 : x
  2. Step 2: Convert to fraction form
    28,092.08/38,768.20 = 16,155.42/x
  3. Step 3: Cross multiply
    28,092.08x = 38,768.20 × 16,155.42
  4. Step 4: Simplify right side
    28,092.08x = 626,316,458.75
  5. Step 5: Solve for x
    x = 626,316,458.75/28,092.08
  6. Step 6: Final answer
    x = 22,295.12

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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.