Home / 28,709.59-39,610.09-17,375.46

Finding the Fourth Proportional to 28,709.59, 39,610.09 and 17,375.46

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Solution

The fourth proportional to 28,709.59, 39,610.09 and 17,375.46 is: 23,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.59 : 39,610.09 = 17,375.46 : x
  2. Step 2: Convert to fraction form
    28,709.59/39,610.09 = 17,375.46/x
  3. Step 3: Cross multiply
    28,709.59x = 39,610.09 × 17,375.46
  4. Step 4: Simplify right side
    28,709.59x = 688,243,534.39
  5. Step 5: Solve for x
    x = 688,243,534.39/28,709.59
  6. Step 6: Final answer
    x = 23,972.60

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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.