Home / 25,347.87-38,027.21-8,709.39

Finding the Fourth Proportional to 25,347.87, 38,027.21 and 8,709.39

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Solution

The fourth proportional to 25,347.87, 38,027.21 and 8,709.39 is: 13,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.87 : 38,027.21 = 8,709.39 : x
  2. Step 2: Convert to fraction form
    25,347.87/38,027.21 = 8,709.39/x
  3. Step 3: Cross multiply
    25,347.87x = 38,027.21 × 8,709.39
  4. Step 4: Simplify right side
    25,347.87x = 331,193,758.95
  5. Step 5: Solve for x
    x = 331,193,758.95/25,347.87
  6. Step 6: Final answer
    x = 13,065.94

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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.