Home / 21,535.36-32,296.80-8,384.80

Finding the Fourth Proportional to 21,535.36, 32,296.80 and 8,384.80

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Solution

The fourth proportional to 21,535.36, 32,296.80 and 8,384.80 is: 12,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535.36 : 32,296.80 = 8,384.80 : x
  2. Step 2: Convert to fraction form
    21,535.36/32,296.80 = 8,384.80/x
  3. Step 3: Cross multiply
    21,535.36x = 32,296.80 × 8,384.80
  4. Step 4: Simplify right side
    21,535.36x = 270,802,208.64
  5. Step 5: Solve for x
    x = 270,802,208.64/21,535.36
  6. Step 6: Final answer
    x = 12,574.77

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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.