Home / 18,744.30-28,116.45-16,670.70

Finding the Fourth Proportional to 18,744.30, 28,116.45 and 16,670.70

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Solution

The fourth proportional to 18,744.30, 28,116.45 and 16,670.70 is: 25,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.30 : 28,116.45 = 16,670.70 : x
  2. Step 2: Convert to fraction form
    18,744.30/28,116.45 = 16,670.70/x
  3. Step 3: Cross multiply
    18,744.30x = 28,116.45 × 16,670.70
  4. Step 4: Simplify right side
    18,744.30x = 468,720,903.02
  5. Step 5: Solve for x
    x = 468,720,903.02/18,744.30
  6. Step 6: Final answer
    x = 25,006.05

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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.