Home / 28,696.59-42,756.45-27,085.12

Finding the Fourth Proportional to 28,696.59, 42,756.45 and 27,085.12

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Solution

The fourth proportional to 28,696.59, 42,756.45 and 27,085.12 is: 40,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.59 : 42,756.45 = 27,085.12 : x
  2. Step 2: Convert to fraction form
    28,696.59/42,756.45 = 27,085.12/x
  3. Step 3: Cross multiply
    28,696.59x = 42,756.45 × 27,085.12
  4. Step 4: Simplify right side
    28,696.59x = 1,158,063,579.02
  5. Step 5: Solve for x
    x = 1,158,063,579.02/28,696.59
  6. Step 6: Final answer
    x = 40,355.44

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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.