Home / 20,797.20-28,737.54-14,818.32

Finding the Fourth Proportional to 20,797.20, 28,737.54 and 14,818.32

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Solution

The fourth proportional to 20,797.20, 28,737.54 and 14,818.32 is: 20,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797.20 : 28,737.54 = 14,818.32 : x
  2. Step 2: Convert to fraction form
    20,797.20/28,737.54 = 14,818.32/x
  3. Step 3: Cross multiply
    20,797.20x = 28,737.54 × 14,818.32
  4. Step 4: Simplify right side
    20,797.20x = 425,842,063.73
  5. Step 5: Solve for x
    x = 425,842,063.73/20,797.20
  6. Step 6: Final answer
    x = 20,475.93

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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.