Home / 28,116.90-38,794.50-17,499.02

Finding the Fourth Proportional to 28,116.90, 38,794.50 and 17,499.02

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Solution

The fourth proportional to 28,116.90, 38,794.50 and 17,499.02 is: 24,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.90 : 38,794.50 = 17,499.02 : x
  2. Step 2: Convert to fraction form
    28,116.90/38,794.50 = 17,499.02/x
  3. Step 3: Cross multiply
    28,116.90x = 38,794.50 × 17,499.02
  4. Step 4: Simplify right side
    28,116.90x = 678,865,537.42
  5. Step 5: Solve for x
    x = 678,865,537.42/28,116.90
  6. Step 6: Final answer
    x = 24,144.39

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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.