Home / 25,725.70-35,505.57-15,117.94

Finding the Fourth Proportional to 25,725.70, 35,505.57 and 15,117.94

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Solution

The fourth proportional to 25,725.70, 35,505.57 and 15,117.94 is: 20,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.70 : 35,505.57 = 15,117.94 : x
  2. Step 2: Convert to fraction form
    25,725.70/35,505.57 = 15,117.94/x
  3. Step 3: Cross multiply
    25,725.70x = 35,505.57 × 15,117.94
  4. Step 4: Simplify right side
    25,725.70x = 536,771,076.93
  5. Step 5: Solve for x
    x = 536,771,076.93/25,725.70
  6. Step 6: Final answer
    x = 20,865.17

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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.