Home / 26,447.56-39,671.10-8,915.88

Finding the Fourth Proportional to 26,447.56, 39,671.10 and 8,915.88

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Solution

The fourth proportional to 26,447.56, 39,671.10 and 8,915.88 is: 13,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.56 : 39,671.10 = 8,915.88 : x
  2. Step 2: Convert to fraction form
    26,447.56/39,671.10 = 8,915.88/x
  3. Step 3: Cross multiply
    26,447.56x = 39,671.10 × 8,915.88
  4. Step 4: Simplify right side
    26,447.56x = 353,702,767.07
  5. Step 5: Solve for x
    x = 353,702,767.07/26,447.56
  6. Step 6: Final answer
    x = 13,373.74

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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.