Home / 27,011.86-40,538.97-18,750.02

Finding the Fourth Proportional to 27,011.86, 40,538.97 and 18,750.02

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Solution

The fourth proportional to 27,011.86, 40,538.97 and 18,750.02 is: 28,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.86 : 40,538.97 = 18,750.02 : x
  2. Step 2: Convert to fraction form
    27,011.86/40,538.97 = 18,750.02/x
  3. Step 3: Cross multiply
    27,011.86x = 40,538.97 × 18,750.02
  4. Step 4: Simplify right side
    27,011.86x = 760,106,295.58
  5. Step 5: Solve for x
    x = 760,106,295.58/27,011.86
  6. Step 6: Final answer
    x = 28,139.73

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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.