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Finding the Fourth Proportional to 27,698.99, 38,224.73 and 15,124.01

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Solution

The fourth proportional to 27,698.99, 38,224.73 and 15,124.01 is: 20,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.99 : 38,224.73 = 15,124.01 : x
  2. Step 2: Convert to fraction form
    27,698.99/38,224.73 = 15,124.01/x
  3. Step 3: Cross multiply
    27,698.99x = 38,224.73 × 15,124.01
  4. Step 4: Simplify right side
    27,698.99x = 578,111,198.77
  5. Step 5: Solve for x
    x = 578,111,198.77/27,698.99
  6. Step 6: Final answer
    x = 20,871.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.