Home / 25,517.03-38,280.14-10,515.80

Finding the Fourth Proportional to 25,517.03, 38,280.14 and 10,515.80

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Solution

The fourth proportional to 25,517.03, 38,280.14 and 10,515.80 is: 15,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,517.03 : 38,280.14 = 10,515.80 : x
  2. Step 2: Convert to fraction form
    25,517.03/38,280.14 = 10,515.80/x
  3. Step 3: Cross multiply
    25,517.03x = 38,280.14 × 10,515.80
  4. Step 4: Simplify right side
    25,517.03x = 402,546,052.23
  5. Step 5: Solve for x
    x = 402,546,052.23/25,517.03
  6. Step 6: Final answer
    x = 15,775.58

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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.