Home / 28,440.94-39,265.14-18,893.74

Finding the Fourth Proportional to 28,440.94, 39,265.14 and 18,893.74

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Solution

The fourth proportional to 28,440.94, 39,265.14 and 18,893.74 is: 26,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.94 : 39,265.14 = 18,893.74 : x
  2. Step 2: Convert to fraction form
    28,440.94/39,265.14 = 18,893.74/x
  3. Step 3: Cross multiply
    28,440.94x = 39,265.14 × 18,893.74
  4. Step 4: Simplify right side
    28,440.94x = 741,865,346.22
  5. Step 5: Solve for x
    x = 741,865,346.22/28,440.94
  6. Step 6: Final answer
    x = 26,084.42

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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.