Home / 23,987.21-36,017.73-21,379.23

Finding the Fourth Proportional to 23,987.21, 36,017.73 and 21,379.23

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Solution

The fourth proportional to 23,987.21, 36,017.73 and 21,379.23 is: 32,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,987.21 : 36,017.73 = 21,379.23 : x
  2. Step 2: Convert to fraction form
    23,987.21/36,017.73 = 21,379.23/x
  3. Step 3: Cross multiply
    23,987.21x = 36,017.73 × 21,379.23
  4. Step 4: Simplify right side
    23,987.21x = 770,031,333.75
  5. Step 5: Solve for x
    x = 770,031,333.75/23,987.21
  6. Step 6: Final answer
    x = 32,101.75

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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.