Home / 21,717.36-32,586.84-8,579.16

Finding the Fourth Proportional to 21,717.36, 32,586.84 and 8,579.16

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Solution

The fourth proportional to 21,717.36, 32,586.84 and 8,579.16 is: 12,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.36 : 32,586.84 = 8,579.16 : x
  2. Step 2: Convert to fraction form
    21,717.36/32,586.84 = 8,579.16/x
  3. Step 3: Cross multiply
    21,717.36x = 32,586.84 × 8,579.16
  4. Step 4: Simplify right side
    21,717.36x = 279,567,714.25
  5. Step 5: Solve for x
    x = 279,567,714.25/21,717.36
  6. Step 6: Final answer
    x = 12,873.01

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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.