Home / 25,149.40-37,680.90-13,285.60

Finding the Fourth Proportional to 25,149.40, 37,680.90 and 13,285.60

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Solution

The fourth proportional to 25,149.40, 37,680.90 and 13,285.60 is: 19,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.40 : 37,680.90 = 13,285.60 : x
  2. Step 2: Convert to fraction form
    25,149.40/37,680.90 = 13,285.60/x
  3. Step 3: Cross multiply
    25,149.40x = 37,680.90 × 13,285.60
  4. Step 4: Simplify right side
    25,149.40x = 500,613,365.04
  5. Step 5: Solve for x
    x = 500,613,365.04/25,149.40
  6. Step 6: Final answer
    x = 19,905.58

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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.