Home / 25,571.13-38,359.41-7,801.74

Finding the Fourth Proportional to 25,571.13, 38,359.41 and 7,801.74

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Solution

The fourth proportional to 25,571.13, 38,359.41 and 7,801.74 is: 11,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.13 : 38,359.41 = 7,801.74 : x
  2. Step 2: Convert to fraction form
    25,571.13/38,359.41 = 7,801.74/x
  3. Step 3: Cross multiply
    25,571.13x = 38,359.41 × 7,801.74
  4. Step 4: Simplify right side
    25,571.13x = 299,270,143.37
  5. Step 5: Solve for x
    x = 299,270,143.37/25,571.13
  6. Step 6: Final answer
    x = 11,703.44

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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.