Home / 28,244.94-38,979.64-17,070.54

Finding the Fourth Proportional to 28,244.94, 38,979.64 and 17,070.54

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Solution

The fourth proportional to 28,244.94, 38,979.64 and 17,070.54 is: 23,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.94 : 38,979.64 = 17,070.54 : x
  2. Step 2: Convert to fraction form
    28,244.94/38,979.64 = 17,070.54/x
  3. Step 3: Cross multiply
    28,244.94x = 38,979.64 × 17,070.54
  4. Step 4: Simplify right side
    28,244.94x = 665,403,503.81
  5. Step 5: Solve for x
    x = 665,403,503.81/28,244.94
  6. Step 6: Final answer
    x = 23,558.33

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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.