Home / 84,816.54-127,136.22-28,637.28

Finding the Fourth Proportional to 84,816.54, 127,136.22 and 28,637.28

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Solution

The fourth proportional to 84,816.54, 127,136.22 and 28,637.28 is: 42,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.54 : 127,136.22 = 28,637.28 : x
  2. Step 2: Convert to fraction form
    84,816.54/127,136.22 = 28,637.28/x
  3. Step 3: Cross multiply
    84,816.54x = 127,136.22 × 28,637.28
  4. Step 4: Simplify right side
    84,816.54x = 3,640,835,530.28
  5. Step 5: Solve for x
    x = 3,640,835,530.28/84,816.54
  6. Step 6: Final answer
    x = 42,926.01

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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.