Home / 28,656.20-42,970.20-16,832.98

Finding the Fourth Proportional to 28,656.20, 42,970.20 and 16,832.98

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Solution

The fourth proportional to 28,656.20, 42,970.20 and 16,832.98 is: 25,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.20 : 42,970.20 = 16,832.98 : x
  2. Step 2: Convert to fraction form
    28,656.20/42,970.20 = 16,832.98/x
  3. Step 3: Cross multiply
    28,656.20x = 42,970.20 × 16,832.98
  4. Step 4: Simplify right side
    28,656.20x = 723,316,517.20
  5. Step 5: Solve for x
    x = 723,316,517.20/28,656.20
  6. Step 6: Final answer
    x = 25,241.19

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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.