Home / 27,359.66-37,755.83-15,423.01

Finding the Fourth Proportional to 27,359.66, 37,755.83 and 15,423.01

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Solution

The fourth proportional to 27,359.66, 37,755.83 and 15,423.01 is: 21,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,359.66 : 37,755.83 = 15,423.01 : x
  2. Step 2: Convert to fraction form
    27,359.66/37,755.83 = 15,423.01/x
  3. Step 3: Cross multiply
    27,359.66x = 37,755.83 × 15,423.01
  4. Step 4: Simplify right side
    27,359.66x = 582,308,277.75
  5. Step 5: Solve for x
    x = 582,308,277.75/27,359.66
  6. Step 6: Final answer
    x = 21,283.46

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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.