Home / 26,402.41-39,578.91-9,757.90

Finding the Fourth Proportional to 26,402.41, 39,578.91 and 9,757.90

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Solution

The fourth proportional to 26,402.41, 39,578.91 and 9,757.90 is: 14,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,402.41 : 39,578.91 = 9,757.90 : x
  2. Step 2: Convert to fraction form
    26,402.41/39,578.91 = 9,757.90/x
  3. Step 3: Cross multiply
    26,402.41x = 39,578.91 × 9,757.90
  4. Step 4: Simplify right side
    26,402.41x = 386,207,045.89
  5. Step 5: Solve for x
    x = 386,207,045.89/26,402.41
  6. Step 6: Final answer
    x = 14,627.72

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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.