Home / 21,950.20-32,903.70-10,858.60

Finding the Fourth Proportional to 21,950.20, 32,903.70 and 10,858.60

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Solution

The fourth proportional to 21,950.20, 32,903.70 and 10,858.60 is: 16,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.20 : 32,903.70 = 10,858.60 : x
  2. Step 2: Convert to fraction form
    21,950.20/32,903.70 = 10,858.60/x
  3. Step 3: Cross multiply
    21,950.20x = 32,903.70 × 10,858.60
  4. Step 4: Simplify right side
    21,950.20x = 357,288,116.82
  5. Step 5: Solve for x
    x = 357,288,116.82/21,950.20
  6. Step 6: Final answer
    x = 16,277.21

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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.