Home / 38,428.86-57,652.20-15,055.50

Finding the Fourth Proportional to 38,428.86, 57,652.20 and 15,055.50

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Solution

The fourth proportional to 38,428.86, 57,652.20 and 15,055.50 is: 22,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.86 : 57,652.20 = 15,055.50 : x
  2. Step 2: Convert to fraction form
    38,428.86/57,652.20 = 15,055.50/x
  3. Step 3: Cross multiply
    38,428.86x = 57,652.20 × 15,055.50
  4. Step 4: Simplify right side
    38,428.86x = 867,982,697.10
  5. Step 5: Solve for x
    x = 867,982,697.10/38,428.86
  6. Step 6: Final answer
    x = 22,586.74

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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.