Home / 19,418.79-26,782.94-16,734.45

Finding the Fourth Proportional to 19,418.79, 26,782.94 and 16,734.45

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Solution

The fourth proportional to 19,418.79, 26,782.94 and 16,734.45 is: 23,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.79 : 26,782.94 = 16,734.45 : x
  2. Step 2: Convert to fraction form
    19,418.79/26,782.94 = 16,734.45/x
  3. Step 3: Cross multiply
    19,418.79x = 26,782.94 × 16,734.45
  4. Step 4: Simplify right side
    19,418.79x = 448,197,686.61
  5. Step 5: Solve for x
    x = 448,197,686.61/19,418.79
  6. Step 6: Final answer
    x = 23,080.62

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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.