Home / 17,930.10-26,780.43-16,238.97

Finding the Fourth Proportional to 17,930.10, 26,780.43 and 16,238.97

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Solution

The fourth proportional to 17,930.10, 26,780.43 and 16,238.97 is: 24,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.10 : 26,780.43 = 16,238.97 : x
  2. Step 2: Convert to fraction form
    17,930.10/26,780.43 = 16,238.97/x
  3. Step 3: Cross multiply
    17,930.10x = 26,780.43 × 16,238.97
  4. Step 4: Simplify right side
    17,930.10x = 434,886,599.36
  5. Step 5: Solve for x
    x = 434,886,599.36/17,930.10
  6. Step 6: Final answer
    x = 24,254.56

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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.