Home / 25,381.40-38,064.69-7,611.35

Finding the Fourth Proportional to 25,381.40, 38,064.69 and 7,611.35

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Solution

The fourth proportional to 25,381.40, 38,064.69 and 7,611.35 is: 11,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.40 : 38,064.69 = 7,611.35 : x
  2. Step 2: Convert to fraction form
    25,381.40/38,064.69 = 7,611.35/x
  3. Step 3: Cross multiply
    25,381.40x = 38,064.69 × 7,611.35
  4. Step 4: Simplify right side
    25,381.40x = 289,723,487.91
  5. Step 5: Solve for x
    x = 289,723,487.91/25,381.40
  6. Step 6: Final answer
    x = 11,414.80

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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.