Home / 52,637.28-72,641.24-28,765.50

Finding the Fourth Proportional to 52,637.28, 72,641.24 and 28,765.50

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Solution

The fourth proportional to 52,637.28, 72,641.24 and 28,765.50 is: 39,697.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.28 : 72,641.24 = 28,765.50 : x
  2. Step 2: Convert to fraction form
    52,637.28/72,641.24 = 28,765.50/x
  3. Step 3: Cross multiply
    52,637.28x = 72,641.24 × 28,765.50
  4. Step 4: Simplify right side
    52,637.28x = 2,089,561,589.22
  5. Step 5: Solve for x
    x = 2,089,561,589.22/52,637.28
  6. Step 6: Final answer
    x = 39,697.37

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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.