Home / 28,074.89-38,708.33-17,986.74

Finding the Fourth Proportional to 28,074.89, 38,708.33 and 17,986.74

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Solution

The fourth proportional to 28,074.89, 38,708.33 and 17,986.74 is: 24,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.89 : 38,708.33 = 17,986.74 : x
  2. Step 2: Convert to fraction form
    28,074.89/38,708.33 = 17,986.74/x
  3. Step 3: Cross multiply
    28,074.89x = 38,708.33 × 17,986.74
  4. Step 4: Simplify right side
    28,074.89x = 696,236,577.61
  5. Step 5: Solve for x
    x = 696,236,577.61/28,074.89
  6. Step 6: Final answer
    x = 24,799.27

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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.