Home / 25,136.75-34,688.72-13,958.75

Finding the Fourth Proportional to 25,136.75, 34,688.72 and 13,958.75

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Solution

The fourth proportional to 25,136.75, 34,688.72 and 13,958.75 is: 19,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.75 : 34,688.72 = 13,958.75 : x
  2. Step 2: Convert to fraction form
    25,136.75/34,688.72 = 13,958.75/x
  3. Step 3: Cross multiply
    25,136.75x = 34,688.72 × 13,958.75
  4. Step 4: Simplify right side
    25,136.75x = 484,211,170.30
  5. Step 5: Solve for x
    x = 484,211,170.30/25,136.75
  6. Step 6: Final answer
    x = 19,263.08

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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.