Home / 28,860.32-39,815.52-16,282.64

Finding the Fourth Proportional to 28,860.32, 39,815.52 and 16,282.64

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Solution

The fourth proportional to 28,860.32, 39,815.52 and 16,282.64 is: 22,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.32 : 39,815.52 = 16,282.64 : x
  2. Step 2: Convert to fraction form
    28,860.32/39,815.52 = 16,282.64/x
  3. Step 3: Cross multiply
    28,860.32x = 39,815.52 × 16,282.64
  4. Step 4: Simplify right side
    28,860.32x = 648,301,579.50
  5. Step 5: Solve for x
    x = 648,301,579.50/28,860.32
  6. Step 6: Final answer
    x = 22,463.43

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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.