Home / 38,579.39-57,873.72-13,614.28

Finding the Fourth Proportional to 38,579.39, 57,873.72 and 13,614.28

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Solution

The fourth proportional to 38,579.39, 57,873.72 and 13,614.28 is: 20,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.39 : 57,873.72 = 13,614.28 : x
  2. Step 2: Convert to fraction form
    38,579.39/57,873.72 = 13,614.28/x
  3. Step 3: Cross multiply
    38,579.39x = 57,873.72 × 13,614.28
  4. Step 4: Simplify right side
    38,579.39x = 787,908,935.09
  5. Step 5: Solve for x
    x = 787,908,935.09/38,579.39
  6. Step 6: Final answer
    x = 20,423.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.