Home / 21,477.53-32,208.57-7,433.75

Finding the Fourth Proportional to 21,477.53, 32,208.57 and 7,433.75

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Solution

The fourth proportional to 21,477.53, 32,208.57 and 7,433.75 is: 11,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.53 : 32,208.57 = 7,433.75 : x
  2. Step 2: Convert to fraction form
    21,477.53/32,208.57 = 7,433.75/x
  3. Step 3: Cross multiply
    21,477.53x = 32,208.57 × 7,433.75
  4. Step 4: Simplify right side
    21,477.53x = 239,430,457.24
  5. Step 5: Solve for x
    x = 239,430,457.24/21,477.53
  6. Step 6: Final answer
    x = 11,147.95

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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.