Home / 42,283.09-63,427.59-16,982.61

Finding the Fourth Proportional to 42,283.09, 63,427.59 and 16,982.61

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Solution

The fourth proportional to 42,283.09, 63,427.59 and 16,982.61 is: 25,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,283.09 : 63,427.59 = 16,982.61 : x
  2. Step 2: Convert to fraction form
    42,283.09/63,427.59 = 16,982.61/x
  3. Step 3: Cross multiply
    42,283.09x = 63,427.59 × 16,982.61
  4. Step 4: Simplify right side
    42,283.09x = 1,077,165,707.07
  5. Step 5: Solve for x
    x = 1,077,165,707.07/42,283.09
  6. Step 6: Final answer
    x = 25,475.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.