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Finding the Fourth Proportional to 24,692.81, 34,075.81 and 13,362.05

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Solution

The fourth proportional to 24,692.81, 34,075.81 and 13,362.05 is: 18,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,692.81 : 34,075.81 = 13,362.05 : x
  2. Step 2: Convert to fraction form
    24,692.81/34,075.81 = 13,362.05/x
  3. Step 3: Cross multiply
    24,692.81x = 34,075.81 × 13,362.05
  4. Step 4: Simplify right side
    24,692.81x = 455,322,778.90
  5. Step 5: Solve for x
    x = 455,322,778.90/24,692.81
  6. Step 6: Final answer
    x = 18,439.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.