Home / 21,023.94-28,954.44-17,454.36

Finding the Fourth Proportional to 21,023.94, 28,954.44 and 17,454.36

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Solution

The fourth proportional to 21,023.94, 28,954.44 and 17,454.36 is: 24,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.94 : 28,954.44 = 17,454.36 : x
  2. Step 2: Convert to fraction form
    21,023.94/28,954.44 = 17,454.36/x
  3. Step 3: Cross multiply
    21,023.94x = 28,954.44 × 17,454.36
  4. Step 4: Simplify right side
    21,023.94x = 505,381,219.36
  5. Step 5: Solve for x
    x = 505,381,219.36/21,023.94
  6. Step 6: Final answer
    x = 24,038.37

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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.