Home / 27,515.58-41,271.21-9,989.34

Finding the Fourth Proportional to 27,515.58, 41,271.21 and 9,989.34

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Solution

The fourth proportional to 27,515.58, 41,271.21 and 9,989.34 is: 14,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.58 : 41,271.21 = 9,989.34 : x
  2. Step 2: Convert to fraction form
    27,515.58/41,271.21 = 9,989.34/x
  3. Step 3: Cross multiply
    27,515.58x = 41,271.21 × 9,989.34
  4. Step 4: Simplify right side
    27,515.58x = 412,272,148.90
  5. Step 5: Solve for x
    x = 412,272,148.90/27,515.58
  6. Step 6: Final answer
    x = 14,983.23

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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.