Home / 21,277.58-29,366.56-16,232.28

Finding the Fourth Proportional to 21,277.58, 29,366.56 and 16,232.28

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Solution

The fourth proportional to 21,277.58, 29,366.56 and 16,232.28 is: 22,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.58 : 29,366.56 = 16,232.28 : x
  2. Step 2: Convert to fraction form
    21,277.58/29,366.56 = 16,232.28/x
  3. Step 3: Cross multiply
    21,277.58x = 29,366.56 × 16,232.28
  4. Step 4: Simplify right side
    21,277.58x = 476,686,224.56
  5. Step 5: Solve for x
    x = 476,686,224.56/21,277.58
  6. Step 6: Final answer
    x = 22,403.22

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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.