Home / 28,040.27-41,932.50-20,929.55

Finding the Fourth Proportional to 28,040.27, 41,932.50 and 20,929.55

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Solution

The fourth proportional to 28,040.27, 41,932.50 and 20,929.55 is: 31,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.27 : 41,932.50 = 20,929.55 : x
  2. Step 2: Convert to fraction form
    28,040.27/41,932.50 = 20,929.55/x
  3. Step 3: Cross multiply
    28,040.27x = 41,932.50 × 20,929.55
  4. Step 4: Simplify right side
    28,040.27x = 877,628,145.71
  5. Step 5: Solve for x
    x = 877,628,145.71/28,040.27
  6. Step 6: Final answer
    x = 31,298.85

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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.