Home / 25,760.70-35,538.57-15,555.92

Finding the Fourth Proportional to 25,760.70, 35,538.57 and 15,555.92

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Solution

The fourth proportional to 25,760.70, 35,538.57 and 15,555.92 is: 21,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.70 : 35,538.57 = 15,555.92 : x
  2. Step 2: Convert to fraction form
    25,760.70/35,538.57 = 15,555.92/x
  3. Step 3: Cross multiply
    25,760.70x = 35,538.57 × 15,555.92
  4. Step 4: Simplify right side
    25,760.70x = 552,834,974.14
  5. Step 5: Solve for x
    x = 552,834,974.14/25,760.70
  6. Step 6: Final answer
    x = 21,460.40

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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.