Home / 21,767.58-30,041.01-12,336.75

Finding the Fourth Proportional to 21,767.58, 30,041.01 and 12,336.75

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Solution

The fourth proportional to 21,767.58, 30,041.01 and 12,336.75 is: 17,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.58 : 30,041.01 = 12,336.75 : x
  2. Step 2: Convert to fraction form
    21,767.58/30,041.01 = 12,336.75/x
  3. Step 3: Cross multiply
    21,767.58x = 30,041.01 × 12,336.75
  4. Step 4: Simplify right side
    21,767.58x = 370,608,430.12
  5. Step 5: Solve for x
    x = 370,608,430.12/21,767.58
  6. Step 6: Final answer
    x = 17,025.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.