Home / 27,964.26-38,589.08-15,389.01

Finding the Fourth Proportional to 27,964.26, 38,589.08 and 15,389.01

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Solution

The fourth proportional to 27,964.26, 38,589.08 and 15,389.01 is: 21,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.26 : 38,589.08 = 15,389.01 : x
  2. Step 2: Convert to fraction form
    27,964.26/38,589.08 = 15,389.01/x
  3. Step 3: Cross multiply
    27,964.26x = 38,589.08 × 15,389.01
  4. Step 4: Simplify right side
    27,964.26x = 593,847,661.07
  5. Step 5: Solve for x
    x = 593,847,661.07/27,964.26
  6. Step 6: Final answer
    x = 21,235.95

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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.