Home / 25,425.36-38,139.26-7,892.91

Finding the Fourth Proportional to 25,425.36, 38,139.26 and 7,892.91

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Solution

The fourth proportional to 25,425.36, 38,139.26 and 7,892.91 is: 11,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,425.36 : 38,139.26 = 7,892.91 : x
  2. Step 2: Convert to fraction form
    25,425.36/38,139.26 = 7,892.91/x
  3. Step 3: Cross multiply
    25,425.36x = 38,139.26 × 7,892.91
  4. Step 4: Simplify right side
    25,425.36x = 301,029,707.18
  5. Step 5: Solve for x
    x = 301,029,707.18/25,425.36
  6. Step 6: Final answer
    x = 11,839.74

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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.