Home / 28,412.60-39,227.67-25,423.25

Finding the Fourth Proportional to 28,412.60, 39,227.67 and 25,423.25

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Solution

The fourth proportional to 28,412.60, 39,227.67 and 25,423.25 is: 35,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.60 : 39,227.67 = 25,423.25 : x
  2. Step 2: Convert to fraction form
    28,412.60/39,227.67 = 25,423.25/x
  3. Step 3: Cross multiply
    28,412.60x = 39,227.67 × 25,423.25
  4. Step 4: Simplify right side
    28,412.60x = 997,294,665.19
  5. Step 5: Solve for x
    x = 997,294,665.19/28,412.60
  6. Step 6: Final answer
    x = 35,100.44

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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.