Home / 21,626.04-32,457.29-8,487.64

Finding the Fourth Proportional to 21,626.04, 32,457.29 and 8,487.64

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Solution

The fourth proportional to 21,626.04, 32,457.29 and 8,487.64 is: 12,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.04 : 32,457.29 = 8,487.64 : x
  2. Step 2: Convert to fraction form
    21,626.04/32,457.29 = 8,487.64/x
  3. Step 3: Cross multiply
    21,626.04x = 32,457.29 × 8,487.64
  4. Step 4: Simplify right side
    21,626.04x = 275,485,792.90
  5. Step 5: Solve for x
    x = 275,485,792.90/21,626.04
  6. Step 6: Final answer
    x = 12,738.61

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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.