Home / 25,443.05-38,157.27-8,574.21

Finding the Fourth Proportional to 25,443.05, 38,157.27 and 8,574.21

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Solution

The fourth proportional to 25,443.05, 38,157.27 and 8,574.21 is: 12,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.05 : 38,157.27 = 8,574.21 : x
  2. Step 2: Convert to fraction form
    25,443.05/38,157.27 = 8,574.21/x
  3. Step 3: Cross multiply
    25,443.05x = 38,157.27 × 8,574.21
  4. Step 4: Simplify right side
    25,443.05x = 327,168,446.01
  5. Step 5: Solve for x
    x = 327,168,446.01/25,443.05
  6. Step 6: Final answer
    x = 12,858.85

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