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Finding the Fourth Proportional to 32,894.25, 45,395.15 and 17,990.25

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Solution

The fourth proportional to 32,894.25, 45,395.15 and 17,990.25 is: 24,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,894.25 : 45,395.15 = 17,990.25 : x
  2. Step 2: Convert to fraction form
    32,894.25/45,395.15 = 17,990.25/x
  3. Step 3: Cross multiply
    32,894.25x = 45,395.15 × 17,990.25
  4. Step 4: Simplify right side
    32,894.25x = 816,670,007.34
  5. Step 5: Solve for x
    x = 816,670,007.34/32,894.25
  6. Step 6: Final answer
    x = 24,827.14

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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.