Home / 20,595.69-30,895.97-15,434.37

Finding the Fourth Proportional to 20,595.69, 30,895.97 and 15,434.37

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Solution

The fourth proportional to 20,595.69, 30,895.97 and 15,434.37 is: 23,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.69 : 30,895.97 = 15,434.37 : x
  2. Step 2: Convert to fraction form
    20,595.69/30,895.97 = 15,434.37/x
  3. Step 3: Cross multiply
    20,595.69x = 30,895.97 × 15,434.37
  4. Step 4: Simplify right side
    20,595.69x = 476,859,755.32
  5. Step 5: Solve for x
    x = 476,859,755.32/20,595.69
  6. Step 6: Final answer
    x = 23,153.38

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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.