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Finding the Fourth Proportional to 26,422.51, 36,461.92 and 15,817.99

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Solution

The fourth proportional to 26,422.51, 36,461.92 and 15,817.99 is: 21,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.51 : 36,461.92 = 15,817.99 : x
  2. Step 2: Convert to fraction form
    26,422.51/36,461.92 = 15,817.99/x
  3. Step 3: Cross multiply
    26,422.51x = 36,461.92 × 15,817.99
  4. Step 4: Simplify right side
    26,422.51x = 576,754,285.94
  5. Step 5: Solve for x
    x = 576,754,285.94/26,422.51
  6. Step 6: Final answer
    x = 21,828.14

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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.