Home / 28,244.20-42,366.30-17,901.80

Finding the Fourth Proportional to 28,244.20, 42,366.30 and 17,901.80

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Solution

The fourth proportional to 28,244.20, 42,366.30 and 17,901.80 is: 26,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.20 : 42,366.30 = 17,901.80 : x
  2. Step 2: Convert to fraction form
    28,244.20/42,366.30 = 17,901.80/x
  3. Step 3: Cross multiply
    28,244.20x = 42,366.30 × 17,901.80
  4. Step 4: Simplify right side
    28,244.20x = 758,433,029.34
  5. Step 5: Solve for x
    x = 758,433,029.34/28,244.20
  6. Step 6: Final answer
    x = 26,852.70

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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.