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Finding the Fourth Proportional to 22,458.17, 30,988.00 and 15,382.01

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Solution

The fourth proportional to 22,458.17, 30,988.00 and 15,382.01 is: 21,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.17 : 30,988.00 = 15,382.01 : x
  2. Step 2: Convert to fraction form
    22,458.17/30,988.00 = 15,382.01/x
  3. Step 3: Cross multiply
    22,458.17x = 30,988.00 × 15,382.01
  4. Step 4: Simplify right side
    22,458.17x = 476,657,822.58
  5. Step 5: Solve for x
    x = 476,657,822.58/22,458.17
  6. Step 6: Final answer
    x = 21,224.25

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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.