Home / 25,342.61-37,984.71-13,631.21

Finding the Fourth Proportional to 25,342.61, 37,984.71 and 13,631.21

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Solution

The fourth proportional to 25,342.61, 37,984.71 and 13,631.21 is: 20,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.61 : 37,984.71 = 13,631.21 : x
  2. Step 2: Convert to fraction form
    25,342.61/37,984.71 = 13,631.21/x
  3. Step 3: Cross multiply
    25,342.61x = 37,984.71 × 13,631.21
  4. Step 4: Simplify right side
    25,342.61x = 517,777,558.80
  5. Step 5: Solve for x
    x = 517,777,558.80/25,342.61
  6. Step 6: Final answer
    x = 20,431.11

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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.