Home / 20,621.08-30,926.10-5,826.52

Finding the Fourth Proportional to 20,621.08, 30,926.10 and 5,826.52

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Solution

The fourth proportional to 20,621.08, 30,926.10 and 5,826.52 is: 8,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,621.08 : 30,926.10 = 5,826.52 : x
  2. Step 2: Convert to fraction form
    20,621.08/30,926.10 = 5,826.52/x
  3. Step 3: Cross multiply
    20,621.08x = 30,926.10 × 5,826.52
  4. Step 4: Simplify right side
    20,621.08x = 180,191,540.17
  5. Step 5: Solve for x
    x = 180,191,540.17/20,621.08
  6. Step 6: Final answer
    x = 8,738.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.