Home / 53,186.74-73,396.75-28,987.92

Finding the Fourth Proportional to 53,186.74, 73,396.75 and 28,987.92

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Solution

The fourth proportional to 53,186.74, 73,396.75 and 28,987.92 is: 40,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.74 : 73,396.75 = 28,987.92 : x
  2. Step 2: Convert to fraction form
    53,186.74/73,396.75 = 28,987.92/x
  3. Step 3: Cross multiply
    53,186.74x = 73,396.75 × 28,987.92
  4. Step 4: Simplify right side
    53,186.74x = 2,127,618,972.32
  5. Step 5: Solve for x
    x = 2,127,618,972.32/53,186.74
  6. Step 6: Final answer
    x = 40,002.81

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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.