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Finding the Fourth Proportional to 28,998.84, 40,033.27 and 17,827.32

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Solution

The fourth proportional to 28,998.84, 40,033.27 and 17,827.32 is: 24,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.84 : 40,033.27 = 17,827.32 : x
  2. Step 2: Convert to fraction form
    28,998.84/40,033.27 = 17,827.32/x
  3. Step 3: Cross multiply
    28,998.84x = 40,033.27 × 17,827.32
  4. Step 4: Simplify right side
    28,998.84x = 713,685,870.37
  5. Step 5: Solve for x
    x = 713,685,870.37/28,998.84
  6. Step 6: Final answer
    x = 24,610.84

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1.5x scale

Why These Related Problems?

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