Home / 28,688.85-39,584.13-17,358.06

Finding the Fourth Proportional to 28,688.85, 39,584.13 and 17,358.06

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Solution

The fourth proportional to 28,688.85, 39,584.13 and 17,358.06 is: 23,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,688.85 : 39,584.13 = 17,358.06 : x
  2. Step 2: Convert to fraction form
    28,688.85/39,584.13 = 17,358.06/x
  3. Step 3: Cross multiply
    28,688.85x = 39,584.13 × 17,358.06
  4. Step 4: Simplify right side
    28,688.85x = 687,103,786.94
  5. Step 5: Solve for x
    x = 687,103,786.94/28,688.85
  6. Step 6: Final answer
    x = 23,950.20

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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.