Home / 28,434.42-39,244.64-17,105.45

Finding the Fourth Proportional to 28,434.42, 39,244.64 and 17,105.45

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Solution

The fourth proportional to 28,434.42, 39,244.64 and 17,105.45 is: 23,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.42 : 39,244.64 = 17,105.45 : x
  2. Step 2: Convert to fraction form
    28,434.42/39,244.64 = 17,105.45/x
  3. Step 3: Cross multiply
    28,434.42x = 39,244.64 × 17,105.45
  4. Step 4: Simplify right side
    28,434.42x = 671,296,945.54
  5. Step 5: Solve for x
    x = 671,296,945.54/28,434.42
  6. Step 6: Final answer
    x = 23,608.60

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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.