Home / 28,404.48-39,197.28-17,799.84

Finding the Fourth Proportional to 28,404.48, 39,197.28 and 17,799.84

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Solution

The fourth proportional to 28,404.48, 39,197.28 and 17,799.84 is: 24,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.48 : 39,197.28 = 17,799.84 : x
  2. Step 2: Convert to fraction form
    28,404.48/39,197.28 = 17,799.84/x
  3. Step 3: Cross multiply
    28,404.48x = 39,197.28 × 17,799.84
  4. Step 4: Simplify right side
    28,404.48x = 697,705,312.44
  5. Step 5: Solve for x
    x = 697,705,312.44/28,404.48
  6. Step 6: Final answer
    x = 24,563.21

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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.