Home / 28,828.09-39,782.69-16,252.75

Finding the Fourth Proportional to 28,828.09, 39,782.69 and 16,252.75

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Solution

The fourth proportional to 28,828.09, 39,782.69 and 16,252.75 is: 22,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.09 : 39,782.69 = 16,252.75 : x
  2. Step 2: Convert to fraction form
    28,828.09/39,782.69 = 16,252.75/x
  3. Step 3: Cross multiply
    28,828.09x = 39,782.69 × 16,252.75
  4. Step 4: Simplify right side
    28,828.09x = 646,577,915.98
  5. Step 5: Solve for x
    x = 646,577,915.98/28,828.09
  6. Step 6: Final answer
    x = 22,428.75

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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.