Home / 26,309.82-39,460.47-9,665.76

Finding the Fourth Proportional to 26,309.82, 39,460.47 and 9,665.76

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Solution

The fourth proportional to 26,309.82, 39,460.47 and 9,665.76 is: 14,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.82 : 39,460.47 = 9,665.76 : x
  2. Step 2: Convert to fraction form
    26,309.82/39,460.47 = 9,665.76/x
  3. Step 3: Cross multiply
    26,309.82x = 39,460.47 × 9,665.76
  4. Step 4: Simplify right side
    26,309.82x = 381,415,432.51
  5. Step 5: Solve for x
    x = 381,415,432.51/26,309.82
  6. Step 6: Final answer
    x = 14,497.07

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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.