Home / 27,378.59-37,779.83-16,629.35

Finding the Fourth Proportional to 27,378.59, 37,779.83 and 16,629.35

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Solution

The fourth proportional to 27,378.59, 37,779.83 and 16,629.35 is: 22,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378.59 : 37,779.83 = 16,629.35 : x
  2. Step 2: Convert to fraction form
    27,378.59/37,779.83 = 16,629.35/x
  3. Step 3: Cross multiply
    27,378.59x = 37,779.83 × 16,629.35
  4. Step 4: Simplify right side
    27,378.59x = 628,253,743.96
  5. Step 5: Solve for x
    x = 628,253,743.96/27,378.59
  6. Step 6: Final answer
    x = 22,946.90

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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.