Home / 28,429.83-42,574.66-17,873.66

Finding the Fourth Proportional to 28,429.83, 42,574.66 and 17,873.66

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Solution

The fourth proportional to 28,429.83, 42,574.66 and 17,873.66 is: 26,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429.83 : 42,574.66 = 17,873.66 : x
  2. Step 2: Convert to fraction form
    28,429.83/42,574.66 = 17,873.66/x
  3. Step 3: Cross multiply
    28,429.83x = 42,574.66 × 17,873.66
  4. Step 4: Simplify right side
    28,429.83x = 760,965,159.75
  5. Step 5: Solve for x
    x = 760,965,159.75/28,429.83
  6. Step 6: Final answer
    x = 26,766.43

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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.