Home / 25,821.40-38,733.94-10,813.40

Finding the Fourth Proportional to 25,821.40, 38,733.94 and 10,813.40

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Solution

The fourth proportional to 25,821.40, 38,733.94 and 10,813.40 is: 16,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.40 : 38,733.94 = 10,813.40 : x
  2. Step 2: Convert to fraction form
    25,821.40/38,733.94 = 10,813.40/x
  3. Step 3: Cross multiply
    25,821.40x = 38,733.94 × 10,813.40
  4. Step 4: Simplify right side
    25,821.40x = 418,845,586.80
  5. Step 5: Solve for x
    x = 418,845,586.80/25,821.40
  6. Step 6: Final answer
    x = 16,220.87

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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.