Home / 29,307.22-40,443.96-15,878.52

Finding the Fourth Proportional to 29,307.22, 40,443.96 and 15,878.52

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Solution

The fourth proportional to 29,307.22, 40,443.96 and 15,878.52 is: 21,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.22 : 40,443.96 = 15,878.52 : x
  2. Step 2: Convert to fraction form
    29,307.22/40,443.96 = 15,878.52/x
  3. Step 3: Cross multiply
    29,307.22x = 40,443.96 × 15,878.52
  4. Step 4: Simplify right side
    29,307.22x = 642,190,227.74
  5. Step 5: Solve for x
    x = 642,190,227.74/29,307.22
  6. Step 6: Final answer
    x = 21,912.36

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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.