Home / 28,244.67-38,980.74-16,311.75

Finding the Fourth Proportional to 28,244.67, 38,980.74 and 16,311.75

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Solution

The fourth proportional to 28,244.67, 38,980.74 and 16,311.75 is: 22,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.67 : 38,980.74 = 16,311.75 : x
  2. Step 2: Convert to fraction form
    28,244.67/38,980.74 = 16,311.75/x
  3. Step 3: Cross multiply
    28,244.67x = 38,980.74 × 16,311.75
  4. Step 4: Simplify right side
    28,244.67x = 635,844,085.70
  5. Step 5: Solve for x
    x = 635,844,085.70/28,244.67
  6. Step 6: Final answer
    x = 22,512.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.