Home / 28,622.96-39,499.68-16,047.68

Finding the Fourth Proportional to 28,622.96, 39,499.68 and 16,047.68

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Solution

The fourth proportional to 28,622.96, 39,499.68 and 16,047.68 is: 22,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.96 : 39,499.68 = 16,047.68 : x
  2. Step 2: Convert to fraction form
    28,622.96/39,499.68 = 16,047.68/x
  3. Step 3: Cross multiply
    28,622.96x = 39,499.68 × 16,047.68
  4. Step 4: Simplify right side
    28,622.96x = 633,878,224.74
  5. Step 5: Solve for x
    x = 633,878,224.74/28,622.96
  6. Step 6: Final answer
    x = 22,145.80

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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.