Home / 28,325.91-42,494.55-15,863.67

Finding the Fourth Proportional to 28,325.91, 42,494.55 and 15,863.67

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Solution

The fourth proportional to 28,325.91, 42,494.55 and 15,863.67 is: 23,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.91 : 42,494.55 = 15,863.67 : x
  2. Step 2: Convert to fraction form
    28,325.91/42,494.55 = 15,863.67/x
  3. Step 3: Cross multiply
    28,325.91x = 42,494.55 × 15,863.67
  4. Step 4: Simplify right side
    28,325.91x = 674,119,518.00
  5. Step 5: Solve for x
    x = 674,119,518.00/28,325.91
  6. Step 6: Final answer
    x = 23,798.69

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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.