Home / 28,615.84-39,480.42-17,281.04

Finding the Fourth Proportional to 28,615.84, 39,480.42 and 17,281.04

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Solution

The fourth proportional to 28,615.84, 39,480.42 and 17,281.04 is: 23,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.84 : 39,480.42 = 17,281.04 : x
  2. Step 2: Convert to fraction form
    28,615.84/39,480.42 = 17,281.04/x
  3. Step 3: Cross multiply
    28,615.84x = 39,480.42 × 17,281.04
  4. Step 4: Simplify right side
    28,615.84x = 682,262,717.24
  5. Step 5: Solve for x
    x = 682,262,717.24/28,615.84
  6. Step 6: Final answer
    x = 23,842.13

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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.