Home / 25,285.21-37,951.10-12,813.95

Finding the Fourth Proportional to 25,285.21, 37,951.10 and 12,813.95

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Solution

The fourth proportional to 25,285.21, 37,951.10 and 12,813.95 is: 19,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.21 : 37,951.10 = 12,813.95 : x
  2. Step 2: Convert to fraction form
    25,285.21/37,951.10 = 12,813.95/x
  3. Step 3: Cross multiply
    25,285.21x = 37,951.10 × 12,813.95
  4. Step 4: Simplify right side
    25,285.21x = 486,303,433.78
  5. Step 5: Solve for x
    x = 486,303,433.78/25,285.21
  6. Step 6: Final answer
    x = 19,232.73

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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.