Home / 20,927.44-28,883.96-12,973.24

Finding the Fourth Proportional to 20,927.44, 28,883.96 and 12,973.24

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Solution

The fourth proportional to 20,927.44, 28,883.96 and 12,973.24 is: 17,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927.44 : 28,883.96 = 12,973.24 : x
  2. Step 2: Convert to fraction form
    20,927.44/28,883.96 = 12,973.24/x
  3. Step 3: Cross multiply
    20,927.44x = 28,883.96 × 12,973.24
  4. Step 4: Simplify right side
    20,927.44x = 374,718,545.23
  5. Step 5: Solve for x
    x = 374,718,545.23/20,927.44
  6. Step 6: Final answer
    x = 17,905.61

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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.