Home / 38,412.40-57,618.60-25,970.80

Finding the Fourth Proportional to 38,412.40, 57,618.60 and 25,970.80

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Solution

The fourth proportional to 38,412.40, 57,618.60 and 25,970.80 is: 38,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.40 : 57,618.60 = 25,970.80 : x
  2. Step 2: Convert to fraction form
    38,412.40/57,618.60 = 25,970.80/x
  3. Step 3: Cross multiply
    38,412.40x = 57,618.60 × 25,970.80
  4. Step 4: Simplify right side
    38,412.40x = 1,496,401,136.88
  5. Step 5: Solve for x
    x = 1,496,401,136.88/38,412.40
  6. Step 6: Final answer
    x = 38,956.20

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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.