Home / 37,821.80-52,195.50-20,826.78

Finding the Fourth Proportional to 37,821.80, 52,195.50 and 20,826.78

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Solution

The fourth proportional to 37,821.80, 52,195.50 and 20,826.78 is: 28,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.80 : 52,195.50 = 20,826.78 : x
  2. Step 2: Convert to fraction form
    37,821.80/52,195.50 = 20,826.78/x
  3. Step 3: Cross multiply
    37,821.80x = 52,195.50 × 20,826.78
  4. Step 4: Simplify right side
    37,821.80x = 1,087,064,195.49
  5. Step 5: Solve for x
    x = 1,087,064,195.49/37,821.80
  6. Step 6: Final answer
    x = 28,741.74

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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.