Home / 28,103.34-38,784.08-16,168.47

Finding the Fourth Proportional to 28,103.34, 38,784.08 and 16,168.47

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Solution

The fourth proportional to 28,103.34, 38,784.08 and 16,168.47 is: 22,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,103.34 : 38,784.08 = 16,168.47 : x
  2. Step 2: Convert to fraction form
    28,103.34/38,784.08 = 16,168.47/x
  3. Step 3: Cross multiply
    28,103.34x = 38,784.08 × 16,168.47
  4. Step 4: Simplify right side
    28,103.34x = 627,079,233.96
  5. Step 5: Solve for x
    x = 627,079,233.96/28,103.34
  6. Step 6: Final answer
    x = 22,313.33

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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.