Home / 52,638.38-72,637.88-28,765.24

Finding the Fourth Proportional to 52,638.38, 72,637.88 and 28,765.24

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Solution

The fourth proportional to 52,638.38, 72,637.88 and 28,765.24 is: 39,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,638.38 : 72,637.88 = 28,765.24 : x
  2. Step 2: Convert to fraction form
    52,638.38/72,637.88 = 28,765.24/x
  3. Step 3: Cross multiply
    52,638.38x = 72,637.88 × 28,765.24
  4. Step 4: Simplify right side
    52,638.38x = 2,089,446,051.29
  5. Step 5: Solve for x
    x = 2,089,446,051.29/52,638.38
  6. Step 6: Final answer
    x = 39,694.35

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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.