Home / 40,584.16-60,813.43-28,128.52

Finding the Fourth Proportional to 40,584.16, 60,813.43 and 28,128.52

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Solution

The fourth proportional to 40,584.16, 60,813.43 and 28,128.52 is: 42,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,584.16 : 60,813.43 = 28,128.52 : x
  2. Step 2: Convert to fraction form
    40,584.16/60,813.43 = 28,128.52/x
  3. Step 3: Cross multiply
    40,584.16x = 60,813.43 × 28,128.52
  4. Step 4: Simplify right side
    40,584.16x = 1,710,591,782.02
  5. Step 5: Solve for x
    x = 1,710,591,782.02/40,584.16
  6. Step 6: Final answer
    x = 42,149.25

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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.