Home / 25,170.52-34,735.45-13,840.75

Finding the Fourth Proportional to 25,170.52, 34,735.45 and 13,840.75

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Solution

The fourth proportional to 25,170.52, 34,735.45 and 13,840.75 is: 19,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,170.52 : 34,735.45 = 13,840.75 : x
  2. Step 2: Convert to fraction form
    25,170.52/34,735.45 = 13,840.75/x
  3. Step 3: Cross multiply
    25,170.52x = 34,735.45 × 13,840.75
  4. Step 4: Simplify right side
    25,170.52x = 480,764,436.71
  5. Step 5: Solve for x
    x = 480,764,436.71/25,170.52
  6. Step 6: Final answer
    x = 19,100.30

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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.