Home / 19,443.56-26,835.97-12,628.07

Finding the Fourth Proportional to 19,443.56, 26,835.97 and 12,628.07

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Solution

The fourth proportional to 19,443.56, 26,835.97 and 12,628.07 is: 17,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.56 : 26,835.97 = 12,628.07 : x
  2. Step 2: Convert to fraction form
    19,443.56/26,835.97 = 12,628.07/x
  3. Step 3: Cross multiply
    19,443.56x = 26,835.97 × 12,628.07
  4. Step 4: Simplify right side
    19,443.56x = 338,886,341.93
  5. Step 5: Solve for x
    x = 338,886,341.93/19,443.56
  6. Step 6: Final answer
    x = 17,429.23

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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.