Home / 82,423.83-123,628.90-26,261.67

Finding the Fourth Proportional to 82,423.83, 123,628.90 and 26,261.67

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Solution

The fourth proportional to 82,423.83, 123,628.90 and 26,261.67 is: 39,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,423.83 : 123,628.90 = 26,261.67 : x
  2. Step 2: Convert to fraction form
    82,423.83/123,628.90 = 26,261.67/x
  3. Step 3: Cross multiply
    82,423.83x = 123,628.90 × 26,261.67
  4. Step 4: Simplify right side
    82,423.83x = 3,246,701,374.26
  5. Step 5: Solve for x
    x = 3,246,701,374.26/82,423.83
  6. Step 6: Final answer
    x = 39,390.32

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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.