Home / 25,557.77-38,324.52-8,915.78

Finding the Fourth Proportional to 25,557.77, 38,324.52 and 8,915.78

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Solution

The fourth proportional to 25,557.77, 38,324.52 and 8,915.78 is: 13,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.77 : 38,324.52 = 8,915.78 : x
  2. Step 2: Convert to fraction form
    25,557.77/38,324.52 = 8,915.78/x
  3. Step 3: Cross multiply
    25,557.77x = 38,324.52 × 8,915.78
  4. Step 4: Simplify right side
    25,557.77x = 341,692,797.30
  5. Step 5: Solve for x
    x = 341,692,797.30/25,557.77
  6. Step 6: Final answer
    x = 13,369.43

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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.