Home / 28,584.48-39,443.40-17,260.68

Finding the Fourth Proportional to 28,584.48, 39,443.40 and 17,260.68

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Solution

The fourth proportional to 28,584.48, 39,443.40 and 17,260.68 is: 23,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.48 : 39,443.40 = 17,260.68 : x
  2. Step 2: Convert to fraction form
    28,584.48/39,443.40 = 17,260.68/x
  3. Step 3: Cross multiply
    28,584.48x = 39,443.40 × 17,260.68
  4. Step 4: Simplify right side
    28,584.48x = 680,819,905.51
  5. Step 5: Solve for x
    x = 680,819,905.51/28,584.48
  6. Step 6: Final answer
    x = 23,817.82

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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.