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Finding the Fourth Proportional to 22,692.48, 34,038.72 and 13,453.44

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Solution

The fourth proportional to 22,692.48, 34,038.72 and 13,453.44 is: 20,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.48 : 34,038.72 = 13,453.44 : x
  2. Step 2: Convert to fraction form
    22,692.48/34,038.72 = 13,453.44/x
  3. Step 3: Cross multiply
    22,692.48x = 34,038.72 × 13,453.44
  4. Step 4: Simplify right side
    22,692.48x = 457,937,877.20
  5. Step 5: Solve for x
    x = 457,937,877.20/22,692.48
  6. Step 6: Final answer
    x = 20,180.16

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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.