Home / 28,622.16-39,500.56-16,047.68

Finding the Fourth Proportional to 28,622.16, 39,500.56 and 16,047.68

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Solution

The fourth proportional to 28,622.16, 39,500.56 and 16,047.68 is: 22,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.16 : 39,500.56 = 16,047.68 : x
  2. Step 2: Convert to fraction form
    28,622.16/39,500.56 = 16,047.68/x
  3. Step 3: Cross multiply
    28,622.16x = 39,500.56 × 16,047.68
  4. Step 4: Simplify right side
    28,622.16x = 633,892,346.70
  5. Step 5: Solve for x
    x = 633,892,346.70/28,622.16
  6. Step 6: Final answer
    x = 22,146.91

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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.