Home / 25,214.81-37,827.64-12,571.45

Finding the Fourth Proportional to 25,214.81, 37,827.64 and 12,571.45

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Solution

The fourth proportional to 25,214.81, 37,827.64 and 12,571.45 is: 18,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,214.81 : 37,827.64 = 12,571.45 : x
  2. Step 2: Convert to fraction form
    25,214.81/37,827.64 = 12,571.45/x
  3. Step 3: Cross multiply
    25,214.81x = 37,827.64 × 12,571.45
  4. Step 4: Simplify right side
    25,214.81x = 475,548,418.80
  5. Step 5: Solve for x
    x = 475,548,418.80/25,214.81
  6. Step 6: Final answer
    x = 18,859.88

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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.