Home / 28,361.83-42,542.76-11,703.56

Finding the Fourth Proportional to 28,361.83, 42,542.76 and 11,703.56

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Solution

The fourth proportional to 28,361.83, 42,542.76 and 11,703.56 is: 17,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361.83 : 42,542.76 = 11,703.56 : x
  2. Step 2: Convert to fraction form
    28,361.83/42,542.76 = 11,703.56/x
  3. Step 3: Cross multiply
    28,361.83x = 42,542.76 × 11,703.56
  4. Step 4: Simplify right side
    28,361.83x = 497,901,744.23
  5. Step 5: Solve for x
    x = 497,901,744.23/28,361.83
  6. Step 6: Final answer
    x = 17,555.35

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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.