Home / 25,738.11-35,511.48-15,123.87

Finding the Fourth Proportional to 25,738.11, 35,511.48 and 15,123.87

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Solution

The fourth proportional to 25,738.11, 35,511.48 and 15,123.87 is: 20,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.11 : 35,511.48 = 15,123.87 : x
  2. Step 2: Convert to fraction form
    25,738.11/35,511.48 = 15,123.87/x
  3. Step 3: Cross multiply
    25,738.11x = 35,511.48 × 15,123.87
  4. Step 4: Simplify right side
    25,738.11x = 537,071,007.03
  5. Step 5: Solve for x
    x = 537,071,007.03/25,738.11
  6. Step 6: Final answer
    x = 20,866.76

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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.