Home / 28,910.20-43,156.12-26,745.88

Finding the Fourth Proportional to 28,910.20, 43,156.12 and 26,745.88

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Solution

The fourth proportional to 28,910.20, 43,156.12 and 26,745.88 is: 39,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.20 : 43,156.12 = 26,745.88 : x
  2. Step 2: Convert to fraction form
    28,910.20/43,156.12 = 26,745.88/x
  3. Step 3: Cross multiply
    28,910.20x = 43,156.12 × 26,745.88
  4. Step 4: Simplify right side
    28,910.20x = 1,154,248,406.79
  5. Step 5: Solve for x
    x = 1,154,248,406.79/28,910.20
  6. Step 6: Final answer
    x = 39,925.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.