Home / 28,696.09-42,755.71-27,084.62

Finding the Fourth Proportional to 28,696.09, 42,755.71 and 27,084.62

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Solution

The fourth proportional to 28,696.09, 42,755.71 and 27,084.62 is: 40,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.09 : 42,755.71 = 27,084.62 : x
  2. Step 2: Convert to fraction form
    28,696.09/42,755.71 = 27,084.62/x
  3. Step 3: Cross multiply
    28,696.09x = 42,755.71 × 27,084.62
  4. Step 4: Simplify right side
    28,696.09x = 1,158,022,158.18
  5. Step 5: Solve for x
    x = 1,158,022,158.18/28,696.09
  6. Step 6: Final answer
    x = 40,354.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.