Home / 25,331.40-37,997.10-7,801.20

Finding the Fourth Proportional to 25,331.40, 37,997.10 and 7,801.20

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Solution

The fourth proportional to 25,331.40, 37,997.10 and 7,801.20 is: 11,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.40 : 37,997.10 = 7,801.20 : x
  2. Step 2: Convert to fraction form
    25,331.40/37,997.10 = 7,801.20/x
  3. Step 3: Cross multiply
    25,331.40x = 37,997.10 × 7,801.20
  4. Step 4: Simplify right side
    25,331.40x = 296,422,976.52
  5. Step 5: Solve for x
    x = 296,422,976.52/25,331.40
  6. Step 6: Final answer
    x = 11,701.80

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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.