Home / 21,048.88-29,047.44-11,617.60

Finding the Fourth Proportional to 21,048.88, 29,047.44 and 11,617.60

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Solution

The fourth proportional to 21,048.88, 29,047.44 and 11,617.60 is: 16,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.88 : 29,047.44 = 11,617.60 : x
  2. Step 2: Convert to fraction form
    21,048.88/29,047.44 = 11,617.60/x
  3. Step 3: Cross multiply
    21,048.88x = 29,047.44 × 11,617.60
  4. Step 4: Simplify right side
    21,048.88x = 337,461,538.94
  5. Step 5: Solve for x
    x = 337,461,538.94/21,048.88
  6. Step 6: Final answer
    x = 16,032.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.