Home / 25,683.39-38,529.30-8,157.42

Finding the Fourth Proportional to 25,683.39, 38,529.30 and 8,157.42

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Solution

The fourth proportional to 25,683.39, 38,529.30 and 8,157.42 is: 12,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.39 : 38,529.30 = 8,157.42 : x
  2. Step 2: Convert to fraction form
    25,683.39/38,529.30 = 8,157.42/x
  3. Step 3: Cross multiply
    25,683.39x = 38,529.30 × 8,157.42
  4. Step 4: Simplify right side
    25,683.39x = 314,299,682.41
  5. Step 5: Solve for x
    x = 314,299,682.41/25,683.39
  6. Step 6: Final answer
    x = 12,237.47

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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.