Home / 19,442.40-26,816.31-12,717.24

Finding the Fourth Proportional to 19,442.40, 26,816.31 and 12,717.24

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Solution

The fourth proportional to 19,442.40, 26,816.31 and 12,717.24 is: 17,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.40 : 26,816.31 = 12,717.24 : x
  2. Step 2: Convert to fraction form
    19,442.40/26,816.31 = 12,717.24/x
  3. Step 3: Cross multiply
    19,442.40x = 26,816.31 × 12,717.24
  4. Step 4: Simplify right side
    19,442.40x = 341,029,450.18
  5. Step 5: Solve for x
    x = 341,029,450.18/19,442.40
  6. Step 6: Final answer
    x = 17,540.50

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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.