Home / 21,629.04-32,401.48-14,210.96

Finding the Fourth Proportional to 21,629.04, 32,401.48 and 14,210.96

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Solution

The fourth proportional to 21,629.04, 32,401.48 and 14,210.96 is: 21,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.04 : 32,401.48 = 14,210.96 : x
  2. Step 2: Convert to fraction form
    21,629.04/32,401.48 = 14,210.96/x
  3. Step 3: Cross multiply
    21,629.04x = 32,401.48 × 14,210.96
  4. Step 4: Simplify right side
    21,629.04x = 460,456,136.22
  5. Step 5: Solve for x
    x = 460,456,136.22/21,629.04
  6. Step 6: Final answer
    x = 21,288.79

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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.