Home / 21,477.57-29,635.63-13,934.25

Finding the Fourth Proportional to 21,477.57, 29,635.63 and 13,934.25

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Solution

The fourth proportional to 21,477.57, 29,635.63 and 13,934.25 is: 19,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.57 : 29,635.63 = 13,934.25 : x
  2. Step 2: Convert to fraction form
    21,477.57/29,635.63 = 13,934.25/x
  3. Step 3: Cross multiply
    21,477.57x = 29,635.63 × 13,934.25
  4. Step 4: Simplify right side
    21,477.57x = 412,950,277.33
  5. Step 5: Solve for x
    x = 412,950,277.33/21,477.57
  6. Step 6: Final answer
    x = 19,227.05

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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.