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Finding the Fourth Proportional to 27,699.63, 38,225.01 and 15,762.72

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Solution

The fourth proportional to 27,699.63, 38,225.01 and 15,762.72 is: 21,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.63 : 38,225.01 = 15,762.72 : x
  2. Step 2: Convert to fraction form
    27,699.63/38,225.01 = 15,762.72/x
  3. Step 3: Cross multiply
    27,699.63x = 38,225.01 × 15,762.72
  4. Step 4: Simplify right side
    27,699.63x = 602,530,129.63
  5. Step 5: Solve for x
    x = 602,530,129.63/27,699.63
  6. Step 6: Final answer
    x = 21,752.28

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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.