Home / 28,420.26-42,579.32-16,727.10

Finding the Fourth Proportional to 28,420.26, 42,579.32 and 16,727.10

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Solution

The fourth proportional to 28,420.26, 42,579.32 and 16,727.10 is: 25,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420.26 : 42,579.32 = 16,727.10 : x
  2. Step 2: Convert to fraction form
    28,420.26/42,579.32 = 16,727.10/x
  3. Step 3: Cross multiply
    28,420.26x = 42,579.32 × 16,727.10
  4. Step 4: Simplify right side
    28,420.26x = 712,228,459.94
  5. Step 5: Solve for x
    x = 712,228,459.94/28,420.26
  6. Step 6: Final answer
    x = 25,060.59

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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.