Home / 26,506.24-39,746.40-9,861.28

Finding the Fourth Proportional to 26,506.24, 39,746.40 and 9,861.28

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Solution

The fourth proportional to 26,506.24, 39,746.40 and 9,861.28 is: 14,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,506.24 : 39,746.40 = 9,861.28 : x
  2. Step 2: Convert to fraction form
    26,506.24/39,746.40 = 9,861.28/x
  3. Step 3: Cross multiply
    26,506.24x = 39,746.40 × 9,861.28
  4. Step 4: Simplify right side
    26,506.24x = 391,950,379.39
  5. Step 5: Solve for x
    x = 391,950,379.39/26,506.24
  6. Step 6: Final answer
    x = 14,787.10

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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.