Home / 19,443.93-26,792.82-18,219.21

Finding the Fourth Proportional to 19,443.93, 26,792.82 and 18,219.21

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Solution

The fourth proportional to 19,443.93, 26,792.82 and 18,219.21 is: 25,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.93 : 26,792.82 = 18,219.21 : x
  2. Step 2: Convert to fraction form
    19,443.93/26,792.82 = 18,219.21/x
  3. Step 3: Cross multiply
    19,443.93x = 26,792.82 × 18,219.21
  4. Step 4: Simplify right side
    19,443.93x = 488,144,014.07
  5. Step 5: Solve for x
    x = 488,144,014.07/19,443.93
  6. Step 6: Final answer
    x = 25,105.21

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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.