Home / 25,173.60-34,738.20-13,840.92

Finding the Fourth Proportional to 25,173.60, 34,738.20 and 13,840.92

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Solution

The fourth proportional to 25,173.60, 34,738.20 and 13,840.92 is: 19,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.60 : 34,738.20 = 13,840.92 : x
  2. Step 2: Convert to fraction form
    25,173.60/34,738.20 = 13,840.92/x
  3. Step 3: Cross multiply
    25,173.60x = 34,738.20 × 13,840.92
  4. Step 4: Simplify right side
    25,173.60x = 480,808,647.14
  5. Step 5: Solve for x
    x = 480,808,647.14/25,173.60
  6. Step 6: Final answer
    x = 19,099.72

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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.