Home / 28,040.63-38,696.87-15,466.19

Finding the Fourth Proportional to 28,040.63, 38,696.87 and 15,466.19

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Solution

The fourth proportional to 28,040.63, 38,696.87 and 15,466.19 is: 21,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.63 : 38,696.87 = 15,466.19 : x
  2. Step 2: Convert to fraction form
    28,040.63/38,696.87 = 15,466.19/x
  3. Step 3: Cross multiply
    28,040.63x = 38,696.87 × 15,466.19
  4. Step 4: Simplify right side
    28,040.63x = 598,492,989.01
  5. Step 5: Solve for x
    x = 598,492,989.01/28,040.63
  6. Step 6: Final answer
    x = 21,343.78

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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.