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Finding the Fourth Proportional to 27,457.50, 41,186.61 and 8,989.50

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Solution

The fourth proportional to 27,457.50, 41,186.61 and 8,989.50 is: 13,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.50 : 41,186.61 = 8,989.50 : x
  2. Step 2: Convert to fraction form
    27,457.50/41,186.61 = 8,989.50/x
  3. Step 3: Cross multiply
    27,457.50x = 41,186.61 × 8,989.50
  4. Step 4: Simplify right side
    27,457.50x = 370,247,030.60
  5. Step 5: Solve for x
    x = 370,247,030.60/27,457.50
  6. Step 6: Final answer
    x = 13,484.37

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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.