Home / 21,626.17-32,457.48-8,487.77

Finding the Fourth Proportional to 21,626.17, 32,457.48 and 8,487.77

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Solution

The fourth proportional to 21,626.17, 32,457.48 and 8,487.77 is: 12,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.17 : 32,457.48 = 8,487.77 : x
  2. Step 2: Convert to fraction form
    21,626.17/32,457.48 = 8,487.77/x
  3. Step 3: Cross multiply
    21,626.17x = 32,457.48 × 8,487.77
  4. Step 4: Simplify right side
    21,626.17x = 275,491,430.90
  5. Step 5: Solve for x
    x = 275,491,430.90/21,626.17
  6. Step 6: Final answer
    x = 12,738.80

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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.