Home / 37,628.72-51,926.84-20,861.36

Finding the Fourth Proportional to 37,628.72, 51,926.84 and 20,861.36

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Solution

The fourth proportional to 37,628.72, 51,926.84 and 20,861.36 is: 28,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628.72 : 51,926.84 = 20,861.36 : x
  2. Step 2: Convert to fraction form
    37,628.72/51,926.84 = 20,861.36/x
  3. Step 3: Cross multiply
    37,628.72x = 51,926.84 × 20,861.36
  4. Step 4: Simplify right side
    37,628.72x = 1,083,264,502.90
  5. Step 5: Solve for x
    x = 1,083,264,502.90/37,628.72
  6. Step 6: Final answer
    x = 28,788.24

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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.