Home / 28,034.66-42,051.99-15,731.30

Finding the Fourth Proportional to 28,034.66, 42,051.99 and 15,731.30

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Solution

The fourth proportional to 28,034.66, 42,051.99 and 15,731.30 is: 23,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,034.66 : 42,051.99 = 15,731.30 : x
  2. Step 2: Convert to fraction form
    28,034.66/42,051.99 = 15,731.30/x
  3. Step 3: Cross multiply
    28,034.66x = 42,051.99 × 15,731.30
  4. Step 4: Simplify right side
    28,034.66x = 661,532,470.29
  5. Step 5: Solve for x
    x = 661,532,470.29/28,034.66
  6. Step 6: Final answer
    x = 23,596.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.