Home / 21,948.49-32,858.47-13,603.33

Finding the Fourth Proportional to 21,948.49, 32,858.47 and 13,603.33

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Solution

The fourth proportional to 21,948.49, 32,858.47 and 13,603.33 is: 20,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.49 : 32,858.47 = 13,603.33 : x
  2. Step 2: Convert to fraction form
    21,948.49/32,858.47 = 13,603.33/x
  3. Step 3: Cross multiply
    21,948.49x = 32,858.47 × 13,603.33
  4. Step 4: Simplify right side
    21,948.49x = 446,984,378.40
  5. Step 5: Solve for x
    x = 446,984,378.40/21,948.49
  6. Step 6: Final answer
    x = 20,365.16

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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.