Home / 28,520.10-39,355.74-16,582.59

Finding the Fourth Proportional to 28,520.10, 39,355.74 and 16,582.59

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Solution

The fourth proportional to 28,520.10, 39,355.74 and 16,582.59 is: 22,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520.10 : 39,355.74 = 16,582.59 : x
  2. Step 2: Convert to fraction form
    28,520.10/39,355.74 = 16,582.59/x
  3. Step 3: Cross multiply
    28,520.10x = 39,355.74 × 16,582.59
  4. Step 4: Simplify right side
    28,520.10x = 652,620,100.57
  5. Step 5: Solve for x
    x = 652,620,100.57/28,520.10
  6. Step 6: Final answer
    x = 22,882.81

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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.