Home / 21,409.96-32,115.21-7,549.24

Finding the Fourth Proportional to 21,409.96, 32,115.21 and 7,549.24

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Solution

The fourth proportional to 21,409.96, 32,115.21 and 7,549.24 is: 11,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.96 : 32,115.21 = 7,549.24 : x
  2. Step 2: Convert to fraction form
    21,409.96/32,115.21 = 7,549.24/x
  3. Step 3: Cross multiply
    21,409.96x = 32,115.21 × 7,549.24
  4. Step 4: Simplify right side
    21,409.96x = 242,445,427.94
  5. Step 5: Solve for x
    x = 242,445,427.94/21,409.96
  6. Step 6: Final answer
    x = 11,323.96

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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.