Home / 25,422.91-38,140.43-7,892.68

Finding the Fourth Proportional to 25,422.91, 38,140.43 and 7,892.68

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Solution

The fourth proportional to 25,422.91, 38,140.43 and 7,892.68 is: 11,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.91 : 38,140.43 = 7,892.68 : x
  2. Step 2: Convert to fraction form
    25,422.91/38,140.43 = 7,892.68/x
  3. Step 3: Cross multiply
    25,422.91x = 38,140.43 × 7,892.68
  4. Step 4: Simplify right side
    25,422.91x = 301,030,209.05
  5. Step 5: Solve for x
    x = 301,030,209.05/25,422.91
  6. Step 6: Final answer
    x = 11,840.90

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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.