Home / 17,890.80-24,701.34-15,996.35

Finding the Fourth Proportional to 17,890.80, 24,701.34 and 15,996.35

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Solution

The fourth proportional to 17,890.80, 24,701.34 and 15,996.35 is: 22,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.80 : 24,701.34 = 15,996.35 : x
  2. Step 2: Convert to fraction form
    17,890.80/24,701.34 = 15,996.35/x
  3. Step 3: Cross multiply
    17,890.80x = 24,701.34 × 15,996.35
  4. Step 4: Simplify right side
    17,890.80x = 395,131,156.60
  5. Step 5: Solve for x
    x = 395,131,156.60/17,890.80
  6. Step 6: Final answer
    x = 22,085.72

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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.