Home / 28,417.62-39,208.41-16,478.58

Finding the Fourth Proportional to 28,417.62, 39,208.41 and 16,478.58

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Solution

The fourth proportional to 28,417.62, 39,208.41 and 16,478.58 is: 22,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.62 : 39,208.41 = 16,478.58 : x
  2. Step 2: Convert to fraction form
    28,417.62/39,208.41 = 16,478.58/x
  3. Step 3: Cross multiply
    28,417.62x = 39,208.41 × 16,478.58
  4. Step 4: Simplify right side
    28,417.62x = 646,098,920.86
  5. Step 5: Solve for x
    x = 646,098,920.86/28,417.62
  6. Step 6: Final answer
    x = 22,735.86

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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.