Home / 23,021.21-34,363.74-19,755.29

Finding the Fourth Proportional to 23,021.21, 34,363.74 and 19,755.29

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Solution

The fourth proportional to 23,021.21, 34,363.74 and 19,755.29 is: 29,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.21 : 34,363.74 = 19,755.29 : x
  2. Step 2: Convert to fraction form
    23,021.21/34,363.74 = 19,755.29/x
  3. Step 3: Cross multiply
    23,021.21x = 34,363.74 × 19,755.29
  4. Step 4: Simplify right side
    23,021.21x = 678,865,477.37
  5. Step 5: Solve for x
    x = 678,865,477.37/23,021.21
  6. Step 6: Final answer
    x = 29,488.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.