Home / 27,441.37-37,866.45-20,275.71

Finding the Fourth Proportional to 27,441.37, 37,866.45 and 20,275.71

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Solution

The fourth proportional to 27,441.37, 37,866.45 and 20,275.71 is: 27,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,441.37 : 37,866.45 = 20,275.71 : x
  2. Step 2: Convert to fraction form
    27,441.37/37,866.45 = 20,275.71/x
  3. Step 3: Cross multiply
    27,441.37x = 37,866.45 × 20,275.71
  4. Step 4: Simplify right side
    27,441.37x = 767,769,158.93
  5. Step 5: Solve for x
    x = 767,769,158.93/27,441.37
  6. Step 6: Final answer
    x = 27,978.53

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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.