Home / 28,417.64-39,213.58-16,481.76

Finding the Fourth Proportional to 28,417.64, 39,213.58 and 16,481.76

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Solution

The fourth proportional to 28,417.64, 39,213.58 and 16,481.76 is: 22,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.64 : 39,213.58 = 16,481.76 : x
  2. Step 2: Convert to fraction form
    28,417.64/39,213.58 = 16,481.76/x
  3. Step 3: Cross multiply
    28,417.64x = 39,213.58 × 16,481.76
  4. Step 4: Simplify right side
    28,417.64x = 646,308,814.30
  5. Step 5: Solve for x
    x = 646,308,814.30/28,417.64
  6. Step 6: Final answer
    x = 22,743.23

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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.