Home / 21,968.60-32,915.10-10,257.80

Finding the Fourth Proportional to 21,968.60, 32,915.10 and 10,257.80

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Solution

The fourth proportional to 21,968.60, 32,915.10 and 10,257.80 is: 15,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.60 : 32,915.10 = 10,257.80 : x
  2. Step 2: Convert to fraction form
    21,968.60/32,915.10 = 10,257.80/x
  3. Step 3: Cross multiply
    21,968.60x = 32,915.10 × 10,257.80
  4. Step 4: Simplify right side
    21,968.60x = 337,636,512.78
  5. Step 5: Solve for x
    x = 337,636,512.78/21,968.60
  6. Step 6: Final answer
    x = 15,369.05

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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.