Home / 25,571.16-38,344.59-8,031.42

Finding the Fourth Proportional to 25,571.16, 38,344.59 and 8,031.42

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Solution

The fourth proportional to 25,571.16, 38,344.59 and 8,031.42 is: 12,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.16 : 38,344.59 = 8,031.42 : x
  2. Step 2: Convert to fraction form
    25,571.16/38,344.59 = 8,031.42/x
  3. Step 3: Cross multiply
    25,571.16x = 38,344.59 × 8,031.42
  4. Step 4: Simplify right side
    25,571.16x = 307,961,507.02
  5. Step 5: Solve for x
    x = 307,961,507.02/25,571.16
  6. Step 6: Final answer
    x = 12,043.31

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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.