Home / 43,692.12-65,571-28,895.76

Finding the Fourth Proportional to 43,692.12, 65,571 and 28,895.76

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Solution

The fourth proportional to 43,692.12, 65,571 and 28,895.76 is: 43,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,692.12 : 65,571 = 28,895.76 : x
  2. Step 2: Convert to fraction form
    43,692.12/65,571 = 28,895.76/x
  3. Step 3: Cross multiply
    43,692.12x = 65,571 × 28,895.76
  4. Step 4: Simplify right side
    43,692.12x = 1,894,723,878.96
  5. Step 5: Solve for x
    x = 1,894,723,878.96/43,692.12
  6. Step 6: Final answer
    x = 43,365.35

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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.