Home / 28,007.10-42,010.65-16,197.30

Finding the Fourth Proportional to 28,007.10, 42,010.65 and 16,197.30

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Solution

The fourth proportional to 28,007.10, 42,010.65 and 16,197.30 is: 24,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.10 : 42,010.65 = 16,197.30 : x
  2. Step 2: Convert to fraction form
    28,007.10/42,010.65 = 16,197.30/x
  3. Step 3: Cross multiply
    28,007.10x = 42,010.65 × 16,197.30
  4. Step 4: Simplify right side
    28,007.10x = 680,459,101.25
  5. Step 5: Solve for x
    x = 680,459,101.25/28,007.10
  6. Step 6: Final answer
    x = 24,295.95

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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.