Home / 26,488.01-39,731.11-12,440.18

Finding the Fourth Proportional to 26,488.01, 39,731.11 and 12,440.18

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Solution

The fourth proportional to 26,488.01, 39,731.11 and 12,440.18 is: 18,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.01 : 39,731.11 = 12,440.18 : x
  2. Step 2: Convert to fraction form
    26,488.01/39,731.11 = 12,440.18/x
  3. Step 3: Cross multiply
    26,488.01x = 39,731.11 × 12,440.18
  4. Step 4: Simplify right side
    26,488.01x = 494,261,930.24
  5. Step 5: Solve for x
    x = 494,261,930.24/26,488.01
  6. Step 6: Final answer
    x = 18,659.84

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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.