Home / 27,880.83-38,475.57-15,134.01

Finding the Fourth Proportional to 27,880.83, 38,475.57 and 15,134.01

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Solution

The fourth proportional to 27,880.83, 38,475.57 and 15,134.01 is: 20,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.83 : 38,475.57 = 15,134.01 : x
  2. Step 2: Convert to fraction form
    27,880.83/38,475.57 = 15,134.01/x
  3. Step 3: Cross multiply
    27,880.83x = 38,475.57 × 15,134.01
  4. Step 4: Simplify right side
    27,880.83x = 582,289,661.14
  5. Step 5: Solve for x
    x = 582,289,661.14/27,880.83
  6. Step 6: Final answer
    x = 20,884.95

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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.