Home / 28,116.60-38,802.09-16,179.99

Finding the Fourth Proportional to 28,116.60, 38,802.09 and 16,179.99

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Solution

The fourth proportional to 28,116.60, 38,802.09 and 16,179.99 is: 22,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.60 : 38,802.09 = 16,179.99 : x
  2. Step 2: Convert to fraction form
    28,116.60/38,802.09 = 16,179.99/x
  3. Step 3: Cross multiply
    28,116.60x = 38,802.09 × 16,179.99
  4. Step 4: Simplify right side
    28,116.60x = 627,817,252.33
  5. Step 5: Solve for x
    x = 627,817,252.33/28,116.60
  6. Step 6: Final answer
    x = 22,329.06

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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.