Home / 27,200.08-40,761.81-21,628.69

Finding the Fourth Proportional to 27,200.08, 40,761.81 and 21,628.69

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Solution

The fourth proportional to 27,200.08, 40,761.81 and 21,628.69 is: 32,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200.08 : 40,761.81 = 21,628.69 : x
  2. Step 2: Convert to fraction form
    27,200.08/40,761.81 = 21,628.69/x
  3. Step 3: Cross multiply
    27,200.08x = 40,761.81 × 21,628.69
  4. Step 4: Simplify right side
    27,200.08x = 881,624,552.33
  5. Step 5: Solve for x
    x = 881,624,552.33/27,200.08
  6. Step 6: Final answer
    x = 32,412.57

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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.