Home / 27,575.78-38,054.61-15,000.50

Finding the Fourth Proportional to 27,575.78, 38,054.61 and 15,000.50

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Solution

The fourth proportional to 27,575.78, 38,054.61 and 15,000.50 is: 20,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.78 : 38,054.61 = 15,000.50 : x
  2. Step 2: Convert to fraction form
    27,575.78/38,054.61 = 15,000.50/x
  3. Step 3: Cross multiply
    27,575.78x = 38,054.61 × 15,000.50
  4. Step 4: Simplify right side
    27,575.78x = 570,838,177.31
  5. Step 5: Solve for x
    x = 570,838,177.31/27,575.78
  6. Step 6: Final answer
    x = 20,700.71

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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.