Home / 30,725.27-42,401.66-17,297

Finding the Fourth Proportional to 30,725.27, 42,401.66 and 17,297

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Solution

The fourth proportional to 30,725.27, 42,401.66 and 17,297 is: 23,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.27 : 42,401.66 = 17,297 : x
  2. Step 2: Convert to fraction form
    30,725.27/42,401.66 = 17,297/x
  3. Step 3: Cross multiply
    30,725.27x = 42,401.66 × 17,297
  4. Step 4: Simplify right side
    30,725.27x = 733,421,513.02
  5. Step 5: Solve for x
    x = 733,421,513.02/30,725.27
  6. Step 6: Final answer
    x = 23,870.30

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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.