Home / 34,678.28-52,025.16-13,620.35

Finding the Fourth Proportional to 34,678.28, 52,025.16 and 13,620.35

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Solution

The fourth proportional to 34,678.28, 52,025.16 and 13,620.35 is: 20,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.28 : 52,025.16 = 13,620.35 : x
  2. Step 2: Convert to fraction form
    34,678.28/52,025.16 = 13,620.35/x
  3. Step 3: Cross multiply
    34,678.28x = 52,025.16 × 13,620.35
  4. Step 4: Simplify right side
    34,678.28x = 708,600,888.01
  5. Step 5: Solve for x
    x = 708,600,888.01/34,678.28
  6. Step 6: Final answer
    x = 20,433.56

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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.