Home / 28,133.83-38,829.88-18,074.85

Finding the Fourth Proportional to 28,133.83, 38,829.88 and 18,074.85

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Solution

The fourth proportional to 28,133.83, 38,829.88 and 18,074.85 is: 24,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133.83 : 38,829.88 = 18,074.85 : x
  2. Step 2: Convert to fraction form
    28,133.83/38,829.88 = 18,074.85/x
  3. Step 3: Cross multiply
    28,133.83x = 38,829.88 × 18,074.85
  4. Step 4: Simplify right side
    28,133.83x = 701,844,133.50
  5. Step 5: Solve for x
    x = 701,844,133.50/28,133.83
  6. Step 6: Final answer
    x = 24,946.62

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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.