Home / 28,886.80-43,344.60-16,416.40

Finding the Fourth Proportional to 28,886.80, 43,344.60 and 16,416.40

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Solution

The fourth proportional to 28,886.80, 43,344.60 and 16,416.40 is: 24,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.80 : 43,344.60 = 16,416.40 : x
  2. Step 2: Convert to fraction form
    28,886.80/43,344.60 = 16,416.40/x
  3. Step 3: Cross multiply
    28,886.80x = 43,344.60 × 16,416.40
  4. Step 4: Simplify right side
    28,886.80x = 711,562,291.44
  5. Step 5: Solve for x
    x = 711,562,291.44/28,886.80
  6. Step 6: Final answer
    x = 24,632.78

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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.