Home / 35,627.20-53,445.60-12,260.80

Finding the Fourth Proportional to 35,627.20, 53,445.60 and 12,260.80

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Solution

The fourth proportional to 35,627.20, 53,445.60 and 12,260.80 is: 18,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,627.20 : 53,445.60 = 12,260.80 : x
  2. Step 2: Convert to fraction form
    35,627.20/53,445.60 = 12,260.80/x
  3. Step 3: Cross multiply
    35,627.20x = 53,445.60 × 12,260.80
  4. Step 4: Simplify right side
    35,627.20x = 655,285,812.48
  5. Step 5: Solve for x
    x = 655,285,812.48/35,627.20
  6. Step 6: Final answer
    x = 18,392.85

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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.