Home / 25,185.68-37,778.52-10,378.34

Finding the Fourth Proportional to 25,185.68, 37,778.52 and 10,378.34

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Solution

The fourth proportional to 25,185.68, 37,778.52 and 10,378.34 is: 15,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.68 : 37,778.52 = 10,378.34 : x
  2. Step 2: Convert to fraction form
    25,185.68/37,778.52 = 10,378.34/x
  3. Step 3: Cross multiply
    25,185.68x = 37,778.52 × 10,378.34
  4. Step 4: Simplify right side
    25,185.68x = 392,078,136.36
  5. Step 5: Solve for x
    x = 392,078,136.36/25,185.68
  6. Step 6: Final answer
    x = 15,567.50

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Similar ratio
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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.