Home / 28,182.58-38,886.96-16,246.42

Finding the Fourth Proportional to 28,182.58, 38,886.96 and 16,246.42

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Solution

The fourth proportional to 28,182.58, 38,886.96 and 16,246.42 is: 22,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.58 : 38,886.96 = 16,246.42 : x
  2. Step 2: Convert to fraction form
    28,182.58/38,886.96 = 16,246.42/x
  3. Step 3: Cross multiply
    28,182.58x = 38,886.96 × 16,246.42
  4. Step 4: Simplify right side
    28,182.58x = 631,773,884.68
  5. Step 5: Solve for x
    x = 631,773,884.68/28,182.58
  6. Step 6: Final answer
    x = 22,417.18

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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.