Home / 25,168.80-37,692.48-19,885.44

Finding the Fourth Proportional to 25,168.80, 37,692.48 and 19,885.44

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Solution

The fourth proportional to 25,168.80, 37,692.48 and 19,885.44 is: 29,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.80 : 37,692.48 = 19,885.44 : x
  2. Step 2: Convert to fraction form
    25,168.80/37,692.48 = 19,885.44/x
  3. Step 3: Cross multiply
    25,168.80x = 37,692.48 × 19,885.44
  4. Step 4: Simplify right side
    25,168.80x = 749,531,549.49
  5. Step 5: Solve for x
    x = 749,531,549.49/25,168.80
  6. Step 6: Final answer
    x = 29,780.19

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1.5x scale

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.