Home / 27,147.59-37,463.20-15,210.89

Finding the Fourth Proportional to 27,147.59, 37,463.20 and 15,210.89

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Solution

The fourth proportional to 27,147.59, 37,463.20 and 15,210.89 is: 20,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.59 : 37,463.20 = 15,210.89 : x
  2. Step 2: Convert to fraction form
    27,147.59/37,463.20 = 15,210.89/x
  3. Step 3: Cross multiply
    27,147.59x = 37,463.20 × 15,210.89
  4. Step 4: Simplify right side
    27,147.59x = 569,848,388.90
  5. Step 5: Solve for x
    x = 569,848,388.90/27,147.59
  6. Step 6: Final answer
    x = 20,990.76

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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.