Home / 25,433.62-38,136.08-10,436.60

Finding the Fourth Proportional to 25,433.62, 38,136.08 and 10,436.60

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Solution

The fourth proportional to 25,433.62, 38,136.08 and 10,436.60 is: 15,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,433.62 : 38,136.08 = 10,436.60 : x
  2. Step 2: Convert to fraction form
    25,433.62/38,136.08 = 10,436.60/x
  3. Step 3: Cross multiply
    25,433.62x = 38,136.08 × 10,436.60
  4. Step 4: Simplify right side
    25,433.62x = 398,011,012.53
  5. Step 5: Solve for x
    x = 398,011,012.53/25,433.62
  6. Step 6: Final answer
    x = 15,649.01

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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.