Home / 28,041.78-38,696.57-15,466.53

Finding the Fourth Proportional to 28,041.78, 38,696.57 and 15,466.53

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Solution

The fourth proportional to 28,041.78, 38,696.57 and 15,466.53 is: 21,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.78 : 38,696.57 = 15,466.53 : x
  2. Step 2: Convert to fraction form
    28,041.78/38,696.57 = 15,466.53/x
  3. Step 3: Cross multiply
    28,041.78x = 38,696.57 × 15,466.53
  4. Step 4: Simplify right side
    28,041.78x = 598,501,583.47
  5. Step 5: Solve for x
    x = 598,501,583.47/28,041.78
  6. Step 6: Final answer
    x = 21,343.21

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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.