Home / 38,628.66-57,980.35-18,652.16

Finding the Fourth Proportional to 38,628.66, 57,980.35 and 18,652.16

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Solution

The fourth proportional to 38,628.66, 57,980.35 and 18,652.16 is: 27,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.66 : 57,980.35 = 18,652.16 : x
  2. Step 2: Convert to fraction form
    38,628.66/57,980.35 = 18,652.16/x
  3. Step 3: Cross multiply
    38,628.66x = 57,980.35 × 18,652.16
  4. Step 4: Simplify right side
    38,628.66x = 1,081,458,498.47
  5. Step 5: Solve for x
    x = 1,081,458,498.47/38,628.66
  6. Step 6: Final answer
    x = 27,996.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.