Home / 28,879.77-43,326.15-9,159.51

Finding the Fourth Proportional to 28,879.77, 43,326.15 and 9,159.51

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Solution

The fourth proportional to 28,879.77, 43,326.15 and 9,159.51 is: 13,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879.77 : 43,326.15 = 9,159.51 : x
  2. Step 2: Convert to fraction form
    28,879.77/43,326.15 = 9,159.51/x
  3. Step 3: Cross multiply
    28,879.77x = 43,326.15 × 9,159.51
  4. Step 4: Simplify right side
    28,879.77x = 396,846,304.19
  5. Step 5: Solve for x
    x = 396,846,304.19/28,879.77
  6. Step 6: Final answer
    x = 13,741.32

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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.