Home / 28,946.93-43,420.31-19,014.36

Finding the Fourth Proportional to 28,946.93, 43,420.31 and 19,014.36

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Solution

The fourth proportional to 28,946.93, 43,420.31 and 19,014.36 is: 28,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.93 : 43,420.31 = 19,014.36 : x
  2. Step 2: Convert to fraction form
    28,946.93/43,420.31 = 19,014.36/x
  3. Step 3: Cross multiply
    28,946.93x = 43,420.31 × 19,014.36
  4. Step 4: Simplify right side
    28,946.93x = 825,609,310.58
  5. Step 5: Solve for x
    x = 825,609,310.58/28,946.93
  6. Step 6: Final answer
    x = 28,521.48

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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.