Home / 21,995.52-30,350.40-14,044.80

Finding the Fourth Proportional to 21,995.52, 30,350.40 and 14,044.80

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Solution

The fourth proportional to 21,995.52, 30,350.40 and 14,044.80 is: 19,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.52 : 30,350.40 = 14,044.80 : x
  2. Step 2: Convert to fraction form
    21,995.52/30,350.40 = 14,044.80/x
  3. Step 3: Cross multiply
    21,995.52x = 30,350.40 × 14,044.80
  4. Step 4: Simplify right side
    21,995.52x = 426,265,297.92
  5. Step 5: Solve for x
    x = 426,265,297.92/21,995.52
  6. Step 6: Final answer
    x = 19,379.64

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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.