Home / 27,127.48-40,697.42-10,487.64

Finding the Fourth Proportional to 27,127.48, 40,697.42 and 10,487.64

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Solution

The fourth proportional to 27,127.48, 40,697.42 and 10,487.64 is: 15,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.48 : 40,697.42 = 10,487.64 : x
  2. Step 2: Convert to fraction form
    27,127.48/40,697.42 = 10,487.64/x
  3. Step 3: Cross multiply
    27,127.48x = 40,697.42 × 10,487.64
  4. Step 4: Simplify right side
    27,127.48x = 426,819,889.89
  5. Step 5: Solve for x
    x = 426,819,889.89/27,127.48
  6. Step 6: Final answer
    x = 15,733.86

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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.