Home / 28,582.41-39,443.67-15,835.59

Finding the Fourth Proportional to 28,582.41, 39,443.67 and 15,835.59

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Solution

The fourth proportional to 28,582.41, 39,443.67 and 15,835.59 is: 21,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.41 : 39,443.67 = 15,835.59 : x
  2. Step 2: Convert to fraction form
    28,582.41/39,443.67 = 15,835.59/x
  3. Step 3: Cross multiply
    28,582.41x = 39,443.67 × 15,835.59
  4. Step 4: Simplify right side
    28,582.41x = 624,613,786.22
  5. Step 5: Solve for x
    x = 624,613,786.22/28,582.41
  6. Step 6: Final answer
    x = 21,853.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.