Home / 21,998.46-32,955.14-13,681.80

Finding the Fourth Proportional to 21,998.46, 32,955.14 and 13,681.80

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Solution

The fourth proportional to 21,998.46, 32,955.14 and 13,681.80 is: 20,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.46 : 32,955.14 = 13,681.80 : x
  2. Step 2: Convert to fraction form
    21,998.46/32,955.14 = 13,681.80/x
  3. Step 3: Cross multiply
    21,998.46x = 32,955.14 × 13,681.80
  4. Step 4: Simplify right side
    21,998.46x = 450,885,634.45
  5. Step 5: Solve for x
    x = 450,885,634.45/21,998.46
  6. Step 6: Final answer
    x = 20,496.24

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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.