Home / 20,626.77-28,471.86-14,675.70

Finding the Fourth Proportional to 20,626.77, 28,471.86 and 14,675.70

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Solution

The fourth proportional to 20,626.77, 28,471.86 and 14,675.70 is: 20,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.77 : 28,471.86 = 14,675.70 : x
  2. Step 2: Convert to fraction form
    20,626.77/28,471.86 = 14,675.70/x
  3. Step 3: Cross multiply
    20,626.77x = 28,471.86 × 14,675.70
  4. Step 4: Simplify right side
    20,626.77x = 417,844,475.80
  5. Step 5: Solve for x
    x = 417,844,475.80/20,626.77
  6. Step 6: Final answer
    x = 20,257.39

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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.