Home / 27,198.87-37,534.47-15,876.15

Finding the Fourth Proportional to 27,198.87, 37,534.47 and 15,876.15

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Solution

The fourth proportional to 27,198.87, 37,534.47 and 15,876.15 is: 21,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,198.87 : 37,534.47 = 15,876.15 : x
  2. Step 2: Convert to fraction form
    27,198.87/37,534.47 = 15,876.15/x
  3. Step 3: Cross multiply
    27,198.87x = 37,534.47 × 15,876.15
  4. Step 4: Simplify right side
    27,198.87x = 595,902,875.89
  5. Step 5: Solve for x
    x = 595,902,875.89/27,198.87
  6. Step 6: Final answer
    x = 21,909.10

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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.