Home / 38,643.48-57,984.66-28,802.52

Finding the Fourth Proportional to 38,643.48, 57,984.66 and 28,802.52

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Solution

The fourth proportional to 38,643.48, 57,984.66 and 28,802.52 is: 43,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643.48 : 57,984.66 = 28,802.52 : x
  2. Step 2: Convert to fraction form
    38,643.48/57,984.66 = 28,802.52/x
  3. Step 3: Cross multiply
    38,643.48x = 57,984.66 × 28,802.52
  4. Step 4: Simplify right side
    38,643.48x = 1,670,104,329.34
  5. Step 5: Solve for x
    x = 1,670,104,329.34/38,643.48
  6. Step 6: Final answer
    x = 43,218.27

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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.