Home / 25,918.40-38,867.84-8,383.52

Finding the Fourth Proportional to 25,918.40, 38,867.84 and 8,383.52

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Solution

The fourth proportional to 25,918.40, 38,867.84 and 8,383.52 is: 12,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.40 : 38,867.84 = 8,383.52 : x
  2. Step 2: Convert to fraction form
    25,918.40/38,867.84 = 8,383.52/x
  3. Step 3: Cross multiply
    25,918.40x = 38,867.84 × 8,383.52
  4. Step 4: Simplify right side
    25,918.40x = 325,849,314.00
  5. Step 5: Solve for x
    x = 325,849,314.00/25,918.40
  6. Step 6: Final answer
    x = 12,572.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.