Home / 36,009.60-53,995.20-15,209.60

Finding the Fourth Proportional to 36,009.60, 53,995.20 and 15,209.60

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Solution

The fourth proportional to 36,009.60, 53,995.20 and 15,209.60 is: 22,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.60 : 53,995.20 = 15,209.60 : x
  2. Step 2: Convert to fraction form
    36,009.60/53,995.20 = 15,209.60/x
  3. Step 3: Cross multiply
    36,009.60x = 53,995.20 × 15,209.60
  4. Step 4: Simplify right side
    36,009.60x = 821,245,393.92
  5. Step 5: Solve for x
    x = 821,245,393.92/36,009.60
  6. Step 6: Final answer
    x = 22,806.29

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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.