Home / 26,476.21-39,702.65-12,440.23

Finding the Fourth Proportional to 26,476.21, 39,702.65 and 12,440.23

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Solution

The fourth proportional to 26,476.21, 39,702.65 and 12,440.23 is: 18,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,476.21 : 39,702.65 = 12,440.23 : x
  2. Step 2: Convert to fraction form
    26,476.21/39,702.65 = 12,440.23/x
  3. Step 3: Cross multiply
    26,476.21x = 39,702.65 × 12,440.23
  4. Step 4: Simplify right side
    26,476.21x = 493,910,097.61
  5. Step 5: Solve for x
    x = 493,910,097.61/26,476.21
  6. Step 6: Final answer
    x = 18,654.86

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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.