Home / 19,429.41-26,823.65-12,824.61

Finding the Fourth Proportional to 19,429.41, 26,823.65 and 12,824.61

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Solution

The fourth proportional to 19,429.41, 26,823.65 and 12,824.61 is: 17,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.41 : 26,823.65 = 12,824.61 : x
  2. Step 2: Convert to fraction form
    19,429.41/26,823.65 = 12,824.61/x
  3. Step 3: Cross multiply
    19,429.41x = 26,823.65 × 12,824.61
  4. Step 4: Simplify right side
    19,429.41x = 344,002,850.03
  5. Step 5: Solve for x
    x = 344,002,850.03/19,429.41
  6. Step 6: Final answer
    x = 17,705.26

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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.