Home / 21,955.36-32,940.36-14,588.80

Finding the Fourth Proportional to 21,955.36, 32,940.36 and 14,588.80

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Solution

The fourth proportional to 21,955.36, 32,940.36 and 14,588.80 is: 21,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.36 : 32,940.36 = 14,588.80 : x
  2. Step 2: Convert to fraction form
    21,955.36/32,940.36 = 14,588.80/x
  3. Step 3: Cross multiply
    21,955.36x = 32,940.36 × 14,588.80
  4. Step 4: Simplify right side
    21,955.36x = 480,560,323.97
  5. Step 5: Solve for x
    x = 480,560,323.97/21,955.36
  6. Step 6: Final answer
    x = 21,888.06

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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.