Home / 21,539.72-32,324.40-8,392.16

Finding the Fourth Proportional to 21,539.72, 32,324.40 and 8,392.16

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Solution

The fourth proportional to 21,539.72, 32,324.40 and 8,392.16 is: 12,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.72 : 32,324.40 = 8,392.16 : x
  2. Step 2: Convert to fraction form
    21,539.72/32,324.40 = 8,392.16/x
  3. Step 3: Cross multiply
    21,539.72x = 32,324.40 × 8,392.16
  4. Step 4: Simplify right side
    21,539.72x = 271,271,536.70
  5. Step 5: Solve for x
    x = 271,271,536.70/21,539.72
  6. Step 6: Final answer
    x = 12,594.01

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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.