Home / 52,619.36-72,615.12-28,745.60

Finding the Fourth Proportional to 52,619.36, 72,615.12 and 28,745.60

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Solution

The fourth proportional to 52,619.36, 72,615.12 and 28,745.60 is: 39,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,619.36 : 72,615.12 = 28,745.60 : x
  2. Step 2: Convert to fraction form
    52,619.36/72,615.12 = 28,745.60/x
  3. Step 3: Cross multiply
    52,619.36x = 72,615.12 × 28,745.60
  4. Step 4: Simplify right side
    52,619.36x = 2,087,365,193.47
  5. Step 5: Solve for x
    x = 2,087,365,193.47/52,619.36
  6. Step 6: Final answer
    x = 39,669.15

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1.5x scale

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.