Home / 28,241.40-39,013.70-22,568.72

Finding the Fourth Proportional to 28,241.40, 39,013.70 and 22,568.72

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Solution

The fourth proportional to 28,241.40, 39,013.70 and 22,568.72 is: 31,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.40 : 39,013.70 = 22,568.72 : x
  2. Step 2: Convert to fraction form
    28,241.40/39,013.70 = 22,568.72/x
  3. Step 3: Cross multiply
    28,241.40x = 39,013.70 × 22,568.72
  4. Step 4: Simplify right side
    28,241.40x = 880,489,271.46
  5. Step 5: Solve for x
    x = 880,489,271.46/28,241.40
  6. Step 6: Final answer
    x = 31,177.25

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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.