Home / 28,642.33-42,976.23-11,113.51

Finding the Fourth Proportional to 28,642.33, 42,976.23 and 11,113.51

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Solution

The fourth proportional to 28,642.33, 42,976.23 and 11,113.51 is: 16,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.33 : 42,976.23 = 11,113.51 : x
  2. Step 2: Convert to fraction form
    28,642.33/42,976.23 = 11,113.51/x
  3. Step 3: Cross multiply
    28,642.33x = 42,976.23 × 11,113.51
  4. Step 4: Simplify right side
    28,642.33x = 477,616,761.87
  5. Step 5: Solve for x
    x = 477,616,761.87/28,642.33
  6. Step 6: Final answer
    x = 16,675.21

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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.