Home / 21,678.24-32,517.36-5,262.24

Finding the Fourth Proportional to 21,678.24, 32,517.36 and 5,262.24

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Solution

The fourth proportional to 21,678.24, 32,517.36 and 5,262.24 is: 7,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,678.24 : 32,517.36 = 5,262.24 : x
  2. Step 2: Convert to fraction form
    21,678.24/32,517.36 = 5,262.24/x
  3. Step 3: Cross multiply
    21,678.24x = 32,517.36 × 5,262.24
  4. Step 4: Simplify right side
    21,678.24x = 171,114,152.49
  5. Step 5: Solve for x
    x = 171,114,152.49/21,678.24
  6. Step 6: Final answer
    x = 7,893.36

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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.