Home / 23,324.20-34,986.30-21,720.40

Finding the Fourth Proportional to 23,324.20, 34,986.30 and 21,720.40

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Solution

The fourth proportional to 23,324.20, 34,986.30 and 21,720.40 is: 32,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,324.20 : 34,986.30 = 21,720.40 : x
  2. Step 2: Convert to fraction form
    23,324.20/34,986.30 = 21,720.40/x
  3. Step 3: Cross multiply
    23,324.20x = 34,986.30 × 21,720.40
  4. Step 4: Simplify right side
    23,324.20x = 759,916,430.52
  5. Step 5: Solve for x
    x = 759,916,430.52/23,324.20
  6. Step 6: Final answer
    x = 32,580.60

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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.