Home / 26,785.91-40,127.84-16,638.23

Finding the Fourth Proportional to 26,785.91, 40,127.84 and 16,638.23

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Solution

The fourth proportional to 26,785.91, 40,127.84 and 16,638.23 is: 24,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.91 : 40,127.84 = 16,638.23 : x
  2. Step 2: Convert to fraction form
    26,785.91/40,127.84 = 16,638.23/x
  3. Step 3: Cross multiply
    26,785.91x = 40,127.84 × 16,638.23
  4. Step 4: Simplify right side
    26,785.91x = 667,656,248.45
  5. Step 5: Solve for x
    x = 667,656,248.45/26,785.91
  6. Step 6: Final answer
    x = 24,925.65

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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.