Home / 20,610.19-28,433.95-13,448.49

Finding the Fourth Proportional to 20,610.19, 28,433.95 and 13,448.49

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Solution

The fourth proportional to 20,610.19, 28,433.95 and 13,448.49 is: 18,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610.19 : 28,433.95 = 13,448.49 : x
  2. Step 2: Convert to fraction form
    20,610.19/28,433.95 = 13,448.49/x
  3. Step 3: Cross multiply
    20,610.19x = 28,433.95 × 13,448.49
  4. Step 4: Simplify right side
    20,610.19x = 382,393,692.24
  5. Step 5: Solve for x
    x = 382,393,692.24/20,610.19
  6. Step 6: Final answer
    x = 18,553.62

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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.