Home / 82,421.39-123,625.25-26,259.23

Finding the Fourth Proportional to 82,421.39, 123,625.25 and 26,259.23

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Solution

The fourth proportional to 82,421.39, 123,625.25 and 26,259.23 is: 39,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,421.39 : 123,625.25 = 26,259.23 : x
  2. Step 2: Convert to fraction form
    82,421.39/123,625.25 = 26,259.23/x
  3. Step 3: Cross multiply
    82,421.39x = 123,625.25 × 26,259.23
  4. Step 4: Simplify right side
    82,421.39x = 3,246,303,873.56
  5. Step 5: Solve for x
    x = 3,246,303,873.56/82,421.39
  6. Step 6: Final answer
    x = 39,386.67

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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.