Home / 21,899.44-32,869.91-13,554.21

Finding the Fourth Proportional to 21,899.44, 32,869.91 and 13,554.21

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Solution

The fourth proportional to 21,899.44, 32,869.91 and 13,554.21 is: 20,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.44 : 32,869.91 = 13,554.21 : x
  2. Step 2: Convert to fraction form
    21,899.44/32,869.91 = 13,554.21/x
  3. Step 3: Cross multiply
    21,899.44x = 32,869.91 × 13,554.21
  4. Step 4: Simplify right side
    21,899.44x = 445,525,696.71
  5. Step 5: Solve for x
    x = 445,525,696.71/21,899.44
  6. Step 6: Final answer
    x = 20,344.16

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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.