Home / 28,243.07-38,963.76-16,297.93

Finding the Fourth Proportional to 28,243.07, 38,963.76 and 16,297.93

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Solution

The fourth proportional to 28,243.07, 38,963.76 and 16,297.93 is: 22,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,243.07 : 38,963.76 = 16,297.93 : x
  2. Step 2: Convert to fraction form
    28,243.07/38,963.76 = 16,297.93/x
  3. Step 3: Cross multiply
    28,243.07x = 38,963.76 × 16,297.93
  4. Step 4: Simplify right side
    28,243.07x = 635,028,633.02
  5. Step 5: Solve for x
    x = 635,028,633.02/28,243.07
  6. Step 6: Final answer
    x = 22,484.41

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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.