Home / 23,039.16-34,514.40-14,128.47

Finding the Fourth Proportional to 23,039.16, 34,514.40 and 14,128.47

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Solution

The fourth proportional to 23,039.16, 34,514.40 and 14,128.47 is: 21,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,039.16 : 34,514.40 = 14,128.47 : x
  2. Step 2: Convert to fraction form
    23,039.16/34,514.40 = 14,128.47/x
  3. Step 3: Cross multiply
    23,039.16x = 34,514.40 × 14,128.47
  4. Step 4: Simplify right side
    23,039.16x = 487,635,664.97
  5. Step 5: Solve for x
    x = 487,635,664.97/23,039.16
  6. Step 6: Final answer
    x = 21,165.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.