Home / 21,469.72-29,641.86-17,500.20

Finding the Fourth Proportional to 21,469.72, 29,641.86 and 17,500.20

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Solution

The fourth proportional to 21,469.72, 29,641.86 and 17,500.20 is: 24,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.72 : 29,641.86 = 17,500.20 : x
  2. Step 2: Convert to fraction form
    21,469.72/29,641.86 = 17,500.20/x
  3. Step 3: Cross multiply
    21,469.72x = 29,641.86 × 17,500.20
  4. Step 4: Simplify right side
    21,469.72x = 518,738,478.37
  5. Step 5: Solve for x
    x = 518,738,478.37/21,469.72
  6. Step 6: Final answer
    x = 24,161.40

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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.