Home / 25,530.54-38,313.11-8,890.48

Finding the Fourth Proportional to 25,530.54, 38,313.11 and 8,890.48

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Solution

The fourth proportional to 25,530.54, 38,313.11 and 8,890.48 is: 13,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.54 : 38,313.11 = 8,890.48 : x
  2. Step 2: Convert to fraction form
    25,530.54/38,313.11 = 8,890.48/x
  3. Step 3: Cross multiply
    25,530.54x = 38,313.11 × 8,890.48
  4. Step 4: Simplify right side
    25,530.54x = 340,621,938.19
  5. Step 5: Solve for x
    x = 340,621,938.19/25,530.54
  6. Step 6: Final answer
    x = 13,341.74

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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.