Home / 28,584.46-39,430.20-16,646.50

Finding the Fourth Proportional to 28,584.46, 39,430.20 and 16,646.50

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Solution

The fourth proportional to 28,584.46, 39,430.20 and 16,646.50 is: 22,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.46 : 39,430.20 = 16,646.50 : x
  2. Step 2: Convert to fraction form
    28,584.46/39,430.20 = 16,646.50/x
  3. Step 3: Cross multiply
    28,584.46x = 39,430.20 × 16,646.50
  4. Step 4: Simplify right side
    28,584.46x = 656,374,824.30
  5. Step 5: Solve for x
    x = 656,374,824.30/28,584.46
  6. Step 6: Final answer
    x = 22,962.65

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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.