Home / 28,397.10-39,189.33-16,464.18

Finding the Fourth Proportional to 28,397.10, 39,189.33 and 16,464.18

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Solution

The fourth proportional to 28,397.10, 39,189.33 and 16,464.18 is: 22,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.10 : 39,189.33 = 16,464.18 : x
  2. Step 2: Convert to fraction form
    28,397.10/39,189.33 = 16,464.18/x
  3. Step 3: Cross multiply
    28,397.10x = 39,189.33 × 16,464.18
  4. Step 4: Simplify right side
    28,397.10x = 645,220,183.20
  5. Step 5: Solve for x
    x = 645,220,183.20/28,397.10
  6. Step 6: Final answer
    x = 22,721.34

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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.