Home / 28,290.99-42,378.17-16,568.67

Finding the Fourth Proportional to 28,290.99, 42,378.17 and 16,568.67

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Solution

The fourth proportional to 28,290.99, 42,378.17 and 16,568.67 is: 24,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.99 : 42,378.17 = 16,568.67 : x
  2. Step 2: Convert to fraction form
    28,290.99/42,378.17 = 16,568.67/x
  3. Step 3: Cross multiply
    28,290.99x = 42,378.17 × 16,568.67
  4. Step 4: Simplify right side
    28,290.99x = 702,149,831.09
  5. Step 5: Solve for x
    x = 702,149,831.09/28,290.99
  6. Step 6: Final answer
    x = 24,818.85

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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.