Home / 27,579.60-38,048.40-16,963.20

Finding the Fourth Proportional to 27,579.60, 38,048.40 and 16,963.20

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Solution

The fourth proportional to 27,579.60, 38,048.40 and 16,963.20 is: 23,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.60 : 38,048.40 = 16,963.20 : x
  2. Step 2: Convert to fraction form
    27,579.60/38,048.40 = 16,963.20/x
  3. Step 3: Cross multiply
    27,579.60x = 38,048.40 × 16,963.20
  4. Step 4: Simplify right side
    27,579.60x = 645,422,618.88
  5. Step 5: Solve for x
    x = 645,422,618.88/27,579.60
  6. Step 6: Final answer
    x = 23,402.17

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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.