Home / 27,880.86-38,474.54-15,133.77

Finding the Fourth Proportional to 27,880.86, 38,474.54 and 15,133.77

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Solution

The fourth proportional to 27,880.86, 38,474.54 and 15,133.77 is: 20,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.86 : 38,474.54 = 15,133.77 : x
  2. Step 2: Convert to fraction form
    27,880.86/38,474.54 = 15,133.77/x
  3. Step 3: Cross multiply
    27,880.86x = 38,474.54 × 15,133.77
  4. Step 4: Simplify right side
    27,880.86x = 582,264,646.84
  5. Step 5: Solve for x
    x = 582,264,646.84/27,880.86
  6. Step 6: Final answer
    x = 20,884.03

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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.