Home / 28,403.55-39,199.82-17,076.74

Finding the Fourth Proportional to 28,403.55, 39,199.82 and 17,076.74

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Solution

The fourth proportional to 28,403.55, 39,199.82 and 17,076.74 is: 23,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403.55 : 39,199.82 = 17,076.74 : x
  2. Step 2: Convert to fraction form
    28,403.55/39,199.82 = 17,076.74/x
  3. Step 3: Cross multiply
    28,403.55x = 39,199.82 × 17,076.74
  4. Step 4: Simplify right side
    28,403.55x = 669,404,852.80
  5. Step 5: Solve for x
    x = 669,404,852.80/28,403.55
  6. Step 6: Final answer
    x = 23,567.65

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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.