Home / 25,955.45-38,935.89-11,913.08

Finding the Fourth Proportional to 25,955.45, 38,935.89 and 11,913.08

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Solution

The fourth proportional to 25,955.45, 38,935.89 and 11,913.08 is: 17,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.45 : 38,935.89 = 11,913.08 : x
  2. Step 2: Convert to fraction form
    25,955.45/38,935.89 = 11,913.08/x
  3. Step 3: Cross multiply
    25,955.45x = 38,935.89 × 11,913.08
  4. Step 4: Simplify right side
    25,955.45x = 463,846,372.44
  5. Step 5: Solve for x
    x = 463,846,372.44/25,955.45
  6. Step 6: Final answer
    x = 17,870.87

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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.