Home / 27,928.56-38,541.96-15,353.76

Finding the Fourth Proportional to 27,928.56, 38,541.96 and 15,353.76

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Solution

The fourth proportional to 27,928.56, 38,541.96 and 15,353.76 is: 21,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.56 : 38,541.96 = 15,353.76 : x
  2. Step 2: Convert to fraction form
    27,928.56/38,541.96 = 15,353.76/x
  3. Step 3: Cross multiply
    27,928.56x = 38,541.96 × 15,353.76
  4. Step 4: Simplify right side
    27,928.56x = 591,764,003.77
  5. Step 5: Solve for x
    x = 591,764,003.77/27,928.56
  6. Step 6: Final answer
    x = 21,188.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.