Home / 25,247.78-34,840.45-13,915.02

Finding the Fourth Proportional to 25,247.78, 34,840.45 and 13,915.02

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Solution

The fourth proportional to 25,247.78, 34,840.45 and 13,915.02 is: 19,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,247.78 : 34,840.45 = 13,915.02 : x
  2. Step 2: Convert to fraction form
    25,247.78/34,840.45 = 13,915.02/x
  3. Step 3: Cross multiply
    25,247.78x = 34,840.45 × 13,915.02
  4. Step 4: Simplify right side
    25,247.78x = 484,805,558.56
  5. Step 5: Solve for x
    x = 484,805,558.56/25,247.78
  6. Step 6: Final answer
    x = 19,201.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.