Home / 21,728.96-32,596.10-7,686.08

Finding the Fourth Proportional to 21,728.96, 32,596.10 and 7,686.08

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Solution

The fourth proportional to 21,728.96, 32,596.10 and 7,686.08 is: 11,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728.96 : 32,596.10 = 7,686.08 : x
  2. Step 2: Convert to fraction form
    21,728.96/32,596.10 = 7,686.08/x
  3. Step 3: Cross multiply
    21,728.96x = 32,596.10 × 7,686.08
  4. Step 4: Simplify right side
    21,728.96x = 250,536,232.29
  5. Step 5: Solve for x
    x = 250,536,232.29/21,728.96
  6. Step 6: Final answer
    x = 11,530.06

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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.