Home / 21,935.40-32,927.40-13,624.80

Finding the Fourth Proportional to 21,935.40, 32,927.40 and 13,624.80

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Solution

The fourth proportional to 21,935.40, 32,927.40 and 13,624.80 is: 20,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.40 : 32,927.40 = 13,624.80 : x
  2. Step 2: Convert to fraction form
    21,935.40/32,927.40 = 13,624.80/x
  3. Step 3: Cross multiply
    21,935.40x = 32,927.40 × 13,624.80
  4. Step 4: Simplify right side
    21,935.40x = 448,629,239.52
  5. Step 5: Solve for x
    x = 448,629,239.52/21,935.40
  6. Step 6: Final answer
    x = 20,452.29

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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.