Home / 28,171.29-38,884.14-16,848.57

Finding the Fourth Proportional to 28,171.29, 38,884.14 and 16,848.57

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Solution

The fourth proportional to 28,171.29, 38,884.14 and 16,848.57 is: 23,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171.29 : 38,884.14 = 16,848.57 : x
  2. Step 2: Convert to fraction form
    28,171.29/38,884.14 = 16,848.57/x
  3. Step 3: Cross multiply
    28,171.29x = 38,884.14 × 16,848.57
  4. Step 4: Simplify right side
    28,171.29x = 655,142,154.68
  5. Step 5: Solve for x
    x = 655,142,154.68/28,171.29
  6. Step 6: Final answer
    x = 23,255.67

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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.