Home / 19,128.38-26,389.79-14,104.52

Finding the Fourth Proportional to 19,128.38, 26,389.79 and 14,104.52

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Solution

The fourth proportional to 19,128.38, 26,389.79 and 14,104.52 is: 19,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.38 : 26,389.79 = 14,104.52 : x
  2. Step 2: Convert to fraction form
    19,128.38/26,389.79 = 14,104.52/x
  3. Step 3: Cross multiply
    19,128.38x = 26,389.79 × 14,104.52
  4. Step 4: Simplify right side
    19,128.38x = 372,215,320.85
  5. Step 5: Solve for x
    x = 372,215,320.85/19,128.38
  6. Step 6: Final answer
    x = 19,458.80

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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.