Home / 27,931.80-41,873.40-16,826.70

Finding the Fourth Proportional to 27,931.80, 41,873.40 and 16,826.70

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Solution

The fourth proportional to 27,931.80, 41,873.40 and 16,826.70 is: 25,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.80 : 41,873.40 = 16,826.70 : x
  2. Step 2: Convert to fraction form
    27,931.80/41,873.40 = 16,826.70/x
  3. Step 3: Cross multiply
    27,931.80x = 41,873.40 × 16,826.70
  4. Step 4: Simplify right side
    27,931.80x = 704,591,139.78
  5. Step 5: Solve for x
    x = 704,591,139.78/27,931.80
  6. Step 6: Final answer
    x = 25,225.41

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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.