Home / 19,429.80-26,789.22-14,386.92

Finding the Fourth Proportional to 19,429.80, 26,789.22 and 14,386.92

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Solution

The fourth proportional to 19,429.80, 26,789.22 and 14,386.92 is: 19,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.80 : 26,789.22 = 14,386.92 : x
  2. Step 2: Convert to fraction form
    19,429.80/26,789.22 = 14,386.92/x
  3. Step 3: Cross multiply
    19,429.80x = 26,789.22 × 14,386.92
  4. Step 4: Simplify right side
    19,429.80x = 385,414,365.00
  5. Step 5: Solve for x
    x = 385,414,365.00/19,429.80
  6. Step 6: Final answer
    x = 19,836.25

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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.