Home / 26,630.80-39,871.67-14,122.58

Finding the Fourth Proportional to 26,630.80, 39,871.67 and 14,122.58

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Solution

The fourth proportional to 26,630.80, 39,871.67 and 14,122.58 is: 21,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630.80 : 39,871.67 = 14,122.58 : x
  2. Step 2: Convert to fraction form
    26,630.80/39,871.67 = 14,122.58/x
  3. Step 3: Cross multiply
    26,630.80x = 39,871.67 × 14,122.58
  4. Step 4: Simplify right side
    26,630.80x = 563,090,579.34
  5. Step 5: Solve for x
    x = 563,090,579.34/26,630.80
  6. Step 6: Final answer
    x = 21,144.34

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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.