Home / 31,072.55-42,880.05-16,925.49

Finding the Fourth Proportional to 31,072.55, 42,880.05 and 16,925.49

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Solution

The fourth proportional to 31,072.55, 42,880.05 and 16,925.49 is: 23,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.55 : 42,880.05 = 16,925.49 : x
  2. Step 2: Convert to fraction form
    31,072.55/42,880.05 = 16,925.49/x
  3. Step 3: Cross multiply
    31,072.55x = 42,880.05 × 16,925.49
  4. Step 4: Simplify right side
    31,072.55x = 725,765,857.47
  5. Step 5: Solve for x
    x = 725,765,857.47/31,072.55
  6. Step 6: Final answer
    x = 23,357.14

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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.