Home / 26,605.14-39,903.95-7,887.17

Finding the Fourth Proportional to 26,605.14, 39,903.95 and 7,887.17

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Solution

The fourth proportional to 26,605.14, 39,903.95 and 7,887.17 is: 11,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.14 : 39,903.95 = 7,887.17 : x
  2. Step 2: Convert to fraction form
    26,605.14/39,903.95 = 7,887.17/x
  3. Step 3: Cross multiply
    26,605.14x = 39,903.95 × 7,887.17
  4. Step 4: Simplify right side
    26,605.14x = 314,728,998.37
  5. Step 5: Solve for x
    x = 314,728,998.37/26,605.14
  6. Step 6: Final answer
    x = 11,829.63

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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.