Home / 36,685.24-55,027.86-10,390.21

Finding the Fourth Proportional to 36,685.24, 55,027.86 and 10,390.21

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Solution

The fourth proportional to 36,685.24, 55,027.86 and 10,390.21 is: 15,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.24 : 55,027.86 = 10,390.21 : x
  2. Step 2: Convert to fraction form
    36,685.24/55,027.86 = 10,390.21/x
  3. Step 3: Cross multiply
    36,685.24x = 55,027.86 × 10,390.21
  4. Step 4: Simplify right side
    36,685.24x = 571,751,021.25
  5. Step 5: Solve for x
    x = 571,751,021.25/36,685.24
  6. Step 6: Final answer
    x = 15,585.32

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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.