Home / 28,693.92-39,598.56-16,119.84

Finding the Fourth Proportional to 28,693.92, 39,598.56 and 16,119.84

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Solution

The fourth proportional to 28,693.92, 39,598.56 and 16,119.84 is: 22,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.92 : 39,598.56 = 16,119.84 : x
  2. Step 2: Convert to fraction form
    28,693.92/39,598.56 = 16,119.84/x
  3. Step 3: Cross multiply
    28,693.92x = 39,598.56 × 16,119.84
  4. Step 4: Simplify right side
    28,693.92x = 638,322,451.43
  5. Step 5: Solve for x
    x = 638,322,451.43/28,693.92
  6. Step 6: Final answer
    x = 22,245.91

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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.