Home / 38,579.27-57,869.06-13,605.76

Finding the Fourth Proportional to 38,579.27, 57,869.06 and 13,605.76

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Solution

The fourth proportional to 38,579.27, 57,869.06 and 13,605.76 is: 20,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,579.27 : 57,869.06 = 13,605.76 : x
  2. Step 2: Convert to fraction form
    38,579.27/57,869.06 = 13,605.76/x
  3. Step 3: Cross multiply
    38,579.27x = 57,869.06 × 13,605.76
  4. Step 4: Simplify right side
    38,579.27x = 787,352,329.08
  5. Step 5: Solve for x
    x = 787,352,329.08/38,579.27
  6. Step 6: Final answer
    x = 20,408.69

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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.