Home / 28,848.81-39,809.82-16,272.75

Finding the Fourth Proportional to 28,848.81, 39,809.82 and 16,272.75

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Solution

The fourth proportional to 28,848.81, 39,809.82 and 16,272.75 is: 22,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.81 : 39,809.82 = 16,272.75 : x
  2. Step 2: Convert to fraction form
    28,848.81/39,809.82 = 16,272.75/x
  3. Step 3: Cross multiply
    28,848.81x = 39,809.82 × 16,272.75
  4. Step 4: Simplify right side
    28,848.81x = 647,815,248.41
  5. Step 5: Solve for x
    x = 647,815,248.41/28,848.81
  6. Step 6: Final answer
    x = 22,455.53

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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.