Home / 21,928.40-32,914.20-10,847.60

Finding the Fourth Proportional to 21,928.40, 32,914.20 and 10,847.60

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Solution

The fourth proportional to 21,928.40, 32,914.20 and 10,847.60 is: 16,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.40 : 32,914.20 = 10,847.60 : x
  2. Step 2: Convert to fraction form
    21,928.40/32,914.20 = 10,847.60/x
  3. Step 3: Cross multiply
    21,928.40x = 32,914.20 × 10,847.60
  4. Step 4: Simplify right side
    21,928.40x = 357,040,075.92
  5. Step 5: Solve for x
    x = 357,040,075.92/21,928.40
  6. Step 6: Final answer
    x = 16,282.09

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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.