Home / 27,880.07-38,473.18-15,132.96

Finding the Fourth Proportional to 27,880.07, 38,473.18 and 15,132.96

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Solution

The fourth proportional to 27,880.07, 38,473.18 and 15,132.96 is: 20,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.07 : 38,473.18 = 15,132.96 : x
  2. Step 2: Convert to fraction form
    27,880.07/38,473.18 = 15,132.96/x
  3. Step 3: Cross multiply
    27,880.07x = 38,473.18 × 15,132.96
  4. Step 4: Simplify right side
    27,880.07x = 582,213,056.18
  5. Step 5: Solve for x
    x = 582,213,056.18/27,880.07
  6. Step 6: Final answer
    x = 20,882.77

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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.