Home / 19,880.20-27,432.32-10,926.24

Finding the Fourth Proportional to 19,880.20, 27,432.32 and 10,926.24

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Solution

The fourth proportional to 19,880.20, 27,432.32 and 10,926.24 is: 15,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.20 : 27,432.32 = 10,926.24 : x
  2. Step 2: Convert to fraction form
    19,880.20/27,432.32 = 10,926.24/x
  3. Step 3: Cross multiply
    19,880.20x = 27,432.32 × 10,926.24
  4. Step 4: Simplify right side
    19,880.20x = 299,732,112.08
  5. Step 5: Solve for x
    x = 299,732,112.08/19,880.20
  6. Step 6: Final answer
    x = 15,076.92

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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.