Home / 28,735.94-39,646.35-17,401.80

Finding the Fourth Proportional to 28,735.94, 39,646.35 and 17,401.80

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Solution

The fourth proportional to 28,735.94, 39,646.35 and 17,401.80 is: 24,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.94 : 39,646.35 = 17,401.80 : x
  2. Step 2: Convert to fraction form
    28,735.94/39,646.35 = 17,401.80/x
  3. Step 3: Cross multiply
    28,735.94x = 39,646.35 × 17,401.80
  4. Step 4: Simplify right side
    28,735.94x = 689,917,853.43
  5. Step 5: Solve for x
    x = 689,917,853.43/28,735.94
  6. Step 6: Final answer
    x = 24,008.89

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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.