Home / 20,554.02-28,364.56-14,270.04

Finding the Fourth Proportional to 20,554.02, 28,364.56 and 14,270.04

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Solution

The fourth proportional to 20,554.02, 28,364.56 and 14,270.04 is: 19,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.02 : 28,364.56 = 14,270.04 : x
  2. Step 2: Convert to fraction form
    20,554.02/28,364.56 = 14,270.04/x
  3. Step 3: Cross multiply
    20,554.02x = 28,364.56 × 14,270.04
  4. Step 4: Simplify right side
    20,554.02x = 404,763,405.78
  5. Step 5: Solve for x
    x = 404,763,405.78/20,554.02
  6. Step 6: Final answer
    x = 19,692.66

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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.