Home / 28,928.26-39,922.77-16,353.01

Finding the Fourth Proportional to 28,928.26, 39,922.77 and 16,353.01

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Solution

The fourth proportional to 28,928.26, 39,922.77 and 16,353.01 is: 22,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.26 : 39,922.77 = 16,353.01 : x
  2. Step 2: Convert to fraction form
    28,928.26/39,922.77 = 16,353.01/x
  3. Step 3: Cross multiply
    28,928.26x = 39,922.77 × 16,353.01
  4. Step 4: Simplify right side
    28,928.26x = 652,857,457.04
  5. Step 5: Solve for x
    x = 652,857,457.04/28,928.26
  6. Step 6: Final answer
    x = 22,568.16

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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.