Home / 28,692.42-43,038.45-16,997.28

Finding the Fourth Proportional to 28,692.42, 43,038.45 and 16,997.28

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Solution

The fourth proportional to 28,692.42, 43,038.45 and 16,997.28 is: 25,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.42 : 43,038.45 = 16,997.28 : x
  2. Step 2: Convert to fraction form
    28,692.42/43,038.45 = 16,997.28/x
  3. Step 3: Cross multiply
    28,692.42x = 43,038.45 × 16,997.28
  4. Step 4: Simplify right side
    28,692.42x = 731,536,585.42
  5. Step 5: Solve for x
    x = 731,536,585.42/28,692.42
  6. Step 6: Final answer
    x = 25,495.81

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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.