Home / 25,348.40-38,022.60-8,727.20

Finding the Fourth Proportional to 25,348.40, 38,022.60 and 8,727.20

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Solution

The fourth proportional to 25,348.40, 38,022.60 and 8,727.20 is: 13,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.40 : 38,022.60 = 8,727.20 : x
  2. Step 2: Convert to fraction form
    25,348.40/38,022.60 = 8,727.20/x
  3. Step 3: Cross multiply
    25,348.40x = 38,022.60 × 8,727.20
  4. Step 4: Simplify right side
    25,348.40x = 331,830,834.72
  5. Step 5: Solve for x
    x = 331,830,834.72/25,348.40
  6. Step 6: Final answer
    x = 13,090.80

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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.