Home / 25,568.32-38,344.80-8,038.72

Finding the Fourth Proportional to 25,568.32, 38,344.80 and 8,038.72

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Solution

The fourth proportional to 25,568.32, 38,344.80 and 8,038.72 is: 12,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568.32 : 38,344.80 = 8,038.72 : x
  2. Step 2: Convert to fraction form
    25,568.32/38,344.80 = 8,038.72/x
  3. Step 3: Cross multiply
    25,568.32x = 38,344.80 × 8,038.72
  4. Step 4: Simplify right side
    25,568.32x = 308,243,110.66
  5. Step 5: Solve for x
    x = 308,243,110.66/25,568.32
  6. Step 6: Final answer
    x = 12,055.67

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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.