Home / 38,003.08-57,005.60-18,007.88

Finding the Fourth Proportional to 38,003.08, 57,005.60 and 18,007.88

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Solution

The fourth proportional to 38,003.08, 57,005.60 and 18,007.88 is: 27,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.08 : 57,005.60 = 18,007.88 : x
  2. Step 2: Convert to fraction form
    38,003.08/57,005.60 = 18,007.88/x
  3. Step 3: Cross multiply
    38,003.08x = 57,005.60 × 18,007.88
  4. Step 4: Simplify right side
    38,003.08x = 1,026,550,004.13
  5. Step 5: Solve for x
    x = 1,026,550,004.13/38,003.08
  6. Step 6: Final answer
    x = 27,012.28

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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.