Home / 21,880.26-32,816.70-7,087.02

Finding the Fourth Proportional to 21,880.26, 32,816.70 and 7,087.02

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Solution

The fourth proportional to 21,880.26, 32,816.70 and 7,087.02 is: 10,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880.26 : 32,816.70 = 7,087.02 : x
  2. Step 2: Convert to fraction form
    21,880.26/32,816.70 = 7,087.02/x
  3. Step 3: Cross multiply
    21,880.26x = 32,816.70 × 7,087.02
  4. Step 4: Simplify right side
    21,880.26x = 232,572,609.23
  5. Step 5: Solve for x
    x = 232,572,609.23/21,880.26
  6. Step 6: Final answer
    x = 10,629.33

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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.