Home / 15,982.80-23,974.20-14,038.80

Finding the Fourth Proportional to 15,982.80, 23,974.20 and 14,038.80

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Solution

The fourth proportional to 15,982.80, 23,974.20 and 14,038.80 is: 21,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.80 : 23,974.20 = 14,038.80 : x
  2. Step 2: Convert to fraction form
    15,982.80/23,974.20 = 14,038.80/x
  3. Step 3: Cross multiply
    15,982.80x = 23,974.20 × 14,038.80
  4. Step 4: Simplify right side
    15,982.80x = 336,568,998.96
  5. Step 5: Solve for x
    x = 336,568,998.96/15,982.80
  6. Step 6: Final answer
    x = 21,058.20

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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.