Home / 26,664.34-39,983.09-8,888.71

Finding the Fourth Proportional to 26,664.34, 39,983.09 and 8,888.71

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Solution

The fourth proportional to 26,664.34, 39,983.09 and 8,888.71 is: 13,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,664.34 : 39,983.09 = 8,888.71 : x
  2. Step 2: Convert to fraction form
    26,664.34/39,983.09 = 8,888.71/x
  3. Step 3: Cross multiply
    26,664.34x = 39,983.09 × 8,888.71
  4. Step 4: Simplify right side
    26,664.34x = 355,398,091.91
  5. Step 5: Solve for x
    x = 355,398,091.91/26,664.34
  6. Step 6: Final answer
    x = 13,328.59

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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.