Home / 28,622.67-42,878.65-16,104.66

Finding the Fourth Proportional to 28,622.67, 42,878.65 and 16,104.66

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Solution

The fourth proportional to 28,622.67, 42,878.65 and 16,104.66 is: 24,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.67 : 42,878.65 = 16,104.66 : x
  2. Step 2: Convert to fraction form
    28,622.67/42,878.65 = 16,104.66/x
  3. Step 3: Cross multiply
    28,622.67x = 42,878.65 × 16,104.66
  4. Step 4: Simplify right side
    28,622.67x = 690,546,079.51
  5. Step 5: Solve for x
    x = 690,546,079.51/28,622.67
  6. Step 6: Final answer
    x = 24,125.84

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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.