Home / 21,880.24-32,817.52-7,087.68

Finding the Fourth Proportional to 21,880.24, 32,817.52 and 7,087.68

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Solution

The fourth proportional to 21,880.24, 32,817.52 and 7,087.68 is: 10,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880.24 : 32,817.52 = 7,087.68 : x
  2. Step 2: Convert to fraction form
    21,880.24/32,817.52 = 7,087.68/x
  3. Step 3: Cross multiply
    21,880.24x = 32,817.52 × 7,087.68
  4. Step 4: Simplify right side
    21,880.24x = 232,600,080.15
  5. Step 5: Solve for x
    x = 232,600,080.15/21,880.24
  6. Step 6: Final answer
    x = 10,630.60

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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.