Home / 28,175.10-38,885.85-17,568.15

Finding the Fourth Proportional to 28,175.10, 38,885.85 and 17,568.15

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Solution

The fourth proportional to 28,175.10, 38,885.85 and 17,568.15 is: 24,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.10 : 38,885.85 = 17,568.15 : x
  2. Step 2: Convert to fraction form
    28,175.10/38,885.85 = 17,568.15/x
  3. Step 3: Cross multiply
    28,175.10x = 38,885.85 × 17,568.15
  4. Step 4: Simplify right side
    28,175.10x = 683,152,445.68
  5. Step 5: Solve for x
    x = 683,152,445.68/28,175.10
  6. Step 6: Final answer
    x = 24,246.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.