Home / 52,636.20-72,638.06-28,763.26

Finding the Fourth Proportional to 52,636.20, 72,638.06 and 28,763.26

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Solution

The fourth proportional to 52,636.20, 72,638.06 and 28,763.26 is: 39,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,636.20 : 72,638.06 = 28,763.26 : x
  2. Step 2: Convert to fraction form
    52,636.20/72,638.06 = 28,763.26/x
  3. Step 3: Cross multiply
    52,636.20x = 72,638.06 × 28,763.26
  4. Step 4: Simplify right side
    52,636.20x = 2,089,307,405.68
  5. Step 5: Solve for x
    x = 2,089,307,405.68/52,636.20
  6. Step 6: Final answer
    x = 39,693.36

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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.