Home / 38,214.36-57,337.74-18,507.60

Finding the Fourth Proportional to 38,214.36, 57,337.74 and 18,507.60

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Solution

The fourth proportional to 38,214.36, 57,337.74 and 18,507.60 is: 27,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,214.36 : 57,337.74 = 18,507.60 : x
  2. Step 2: Convert to fraction form
    38,214.36/57,337.74 = 18,507.60/x
  3. Step 3: Cross multiply
    38,214.36x = 57,337.74 × 18,507.60
  4. Step 4: Simplify right side
    38,214.36x = 1,061,183,956.82
  5. Step 5: Solve for x
    x = 1,061,183,956.82/38,214.36
  6. Step 6: Final answer
    x = 27,769.25

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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.