Home / 28,161.66-42,243.28-10,627.58

Finding the Fourth Proportional to 28,161.66, 42,243.28 and 10,627.58

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Solution

The fourth proportional to 28,161.66, 42,243.28 and 10,627.58 is: 15,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.66 : 42,243.28 = 10,627.58 : x
  2. Step 2: Convert to fraction form
    28,161.66/42,243.28 = 10,627.58/x
  3. Step 3: Cross multiply
    28,161.66x = 42,243.28 × 10,627.58
  4. Step 4: Simplify right side
    28,161.66x = 448,943,837.66
  5. Step 5: Solve for x
    x = 448,943,837.66/28,161.66
  6. Step 6: Final answer
    x = 15,941.67

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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.