Home / 26,605.64-39,904.70-7,887.67

Finding the Fourth Proportional to 26,605.64, 39,904.70 and 7,887.67

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Solution

The fourth proportional to 26,605.64, 39,904.70 and 7,887.67 is: 11,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.64 : 39,904.70 = 7,887.67 : x
  2. Step 2: Convert to fraction form
    26,605.64/39,904.70 = 7,887.67/x
  3. Step 3: Cross multiply
    26,605.64x = 39,904.70 × 7,887.67
  4. Step 4: Simplify right side
    26,605.64x = 314,754,866.09
  5. Step 5: Solve for x
    x = 314,754,866.09/26,605.64
  6. Step 6: Final answer
    x = 11,830.38

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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.