Home / 25,261.56-37,915.68-12,790.36

Finding the Fourth Proportional to 25,261.56, 37,915.68 and 12,790.36

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Solution

The fourth proportional to 25,261.56, 37,915.68 and 12,790.36 is: 19,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.56 : 37,915.68 = 12,790.36 : x
  2. Step 2: Convert to fraction form
    25,261.56/37,915.68 = 12,790.36/x
  3. Step 3: Cross multiply
    25,261.56x = 37,915.68 × 12,790.36
  4. Step 4: Simplify right side
    25,261.56x = 484,955,196.84
  5. Step 5: Solve for x
    x = 484,955,196.84/25,261.56
  6. Step 6: Final answer
    x = 19,197.36

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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.