Home / 25,424.93-38,107.15-19,164.31

Finding the Fourth Proportional to 25,424.93, 38,107.15 and 19,164.31

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Solution

The fourth proportional to 25,424.93, 38,107.15 and 19,164.31 is: 28,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.93 : 38,107.15 = 19,164.31 : x
  2. Step 2: Convert to fraction form
    25,424.93/38,107.15 = 19,164.31/x
  3. Step 3: Cross multiply
    25,424.93x = 38,107.15 × 19,164.31
  4. Step 4: Simplify right side
    25,424.93x = 730,297,235.82
  5. Step 5: Solve for x
    x = 730,297,235.82/25,424.93
  6. Step 6: Final answer
    x = 28,723.67

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1.5x scale

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.