Home / 21,544.32-32,328.80-9,857.44

Finding the Fourth Proportional to 21,544.32, 32,328.80 and 9,857.44

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Solution

The fourth proportional to 21,544.32, 32,328.80 and 9,857.44 is: 14,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.32 : 32,328.80 = 9,857.44 : x
  2. Step 2: Convert to fraction form
    21,544.32/32,328.80 = 9,857.44/x
  3. Step 3: Cross multiply
    21,544.32x = 32,328.80 × 9,857.44
  4. Step 4: Simplify right side
    21,544.32x = 318,679,206.27
  5. Step 5: Solve for x
    x = 318,679,206.27/21,544.32
  6. Step 6: Final answer
    x = 14,791.80

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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.