Home / 25,555.84-38,333.94-8,915.80

Finding the Fourth Proportional to 25,555.84, 38,333.94 and 8,915.80

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Solution

The fourth proportional to 25,555.84, 38,333.94 and 8,915.80 is: 13,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.84 : 38,333.94 = 8,915.80 : x
  2. Step 2: Convert to fraction form
    25,555.84/38,333.94 = 8,915.80/x
  3. Step 3: Cross multiply
    25,555.84x = 38,333.94 × 8,915.80
  4. Step 4: Simplify right side
    25,555.84x = 341,777,742.25
  5. Step 5: Solve for x
    x = 341,777,742.25/25,555.84
  6. Step 6: Final answer
    x = 13,373.76

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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.