Home / 15,788.36-23,677.42-5,255.55

Finding the Fourth Proportional to 15,788.36, 23,677.42 and 5,255.55

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Solution

The fourth proportional to 15,788.36, 23,677.42 and 5,255.55 is: 7,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.36 : 23,677.42 = 5,255.55 : x
  2. Step 2: Convert to fraction form
    15,788.36/23,677.42 = 5,255.55/x
  3. Step 3: Cross multiply
    15,788.36x = 23,677.42 × 5,255.55
  4. Step 4: Simplify right side
    15,788.36x = 124,437,970.20
  5. Step 5: Solve for x
    x = 124,437,970.20/15,788.36
  6. Step 6: Final answer
    x = 7,881.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.