Home / 26,385.73-39,569.47-7,660.69

Finding the Fourth Proportional to 26,385.73, 39,569.47 and 7,660.69

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Solution

The fourth proportional to 26,385.73, 39,569.47 and 7,660.69 is: 11,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.73 : 39,569.47 = 7,660.69 : x
  2. Step 2: Convert to fraction form
    26,385.73/39,569.47 = 7,660.69/x
  3. Step 3: Cross multiply
    26,385.73x = 39,569.47 × 7,660.69
  4. Step 4: Simplify right side
    26,385.73x = 303,129,443.13
  5. Step 5: Solve for x
    x = 303,129,443.13/26,385.73
  6. Step 6: Final answer
    x = 11,488.39

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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.