Home / 21,926.75-32,890.73-7,136.55

Finding the Fourth Proportional to 21,926.75, 32,890.73 and 7,136.55

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Solution

The fourth proportional to 21,926.75, 32,890.73 and 7,136.55 is: 10,705.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.75 : 32,890.73 = 7,136.55 : x
  2. Step 2: Convert to fraction form
    21,926.75/32,890.73 = 7,136.55/x
  3. Step 3: Cross multiply
    21,926.75x = 32,890.73 × 7,136.55
  4. Step 4: Simplify right side
    21,926.75x = 234,726,303.50
  5. Step 5: Solve for x
    x = 234,726,303.50/21,926.75
  6. Step 6: Final answer
    x = 10,705.02

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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.