Home / 20,659.26-28,496.76-16,477.50

Finding the Fourth Proportional to 20,659.26, 28,496.76 and 16,477.50

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Solution

The fourth proportional to 20,659.26, 28,496.76 and 16,477.50 is: 22,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659.26 : 28,496.76 = 16,477.50 : x
  2. Step 2: Convert to fraction form
    20,659.26/28,496.76 = 16,477.50/x
  3. Step 3: Cross multiply
    20,659.26x = 28,496.76 × 16,477.50
  4. Step 4: Simplify right side
    20,659.26x = 469,555,362.90
  5. Step 5: Solve for x
    x = 469,555,362.90/20,659.26
  6. Step 6: Final answer
    x = 22,728.57

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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.