Home / 22,745.29-31,403.26-21,333.77

Finding the Fourth Proportional to 22,745.29, 31,403.26 and 21,333.77

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Solution

The fourth proportional to 22,745.29, 31,403.26 and 21,333.77 is: 29,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.29 : 31,403.26 = 21,333.77 : x
  2. Step 2: Convert to fraction form
    22,745.29/31,403.26 = 21,333.77/x
  3. Step 3: Cross multiply
    22,745.29x = 31,403.26 × 21,333.77
  4. Step 4: Simplify right side
    22,745.29x = 669,949,926.09
  5. Step 5: Solve for x
    x = 669,949,926.09/22,745.29
  6. Step 6: Final answer
    x = 29,454.45

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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.