Home / 28,520.46-42,537.68-26,734.38

Finding the Fourth Proportional to 28,520.46, 42,537.68 and 26,734.38

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Solution

The fourth proportional to 28,520.46, 42,537.68 and 26,734.38 is: 39,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520.46 : 42,537.68 = 26,734.38 : x
  2. Step 2: Convert to fraction form
    28,520.46/42,537.68 = 26,734.38/x
  3. Step 3: Cross multiply
    28,520.46x = 42,537.68 × 26,734.38
  4. Step 4: Simplify right side
    28,520.46x = 1,137,218,367.77
  5. Step 5: Solve for x
    x = 1,137,218,367.77/28,520.46
  6. Step 6: Final answer
    x = 39,873.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.