Home / 26,663.38-39,981.70-8,887.79

Finding the Fourth Proportional to 26,663.38, 39,981.70 and 8,887.79

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Solution

The fourth proportional to 26,663.38, 39,981.70 and 8,887.79 is: 13,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.38 : 39,981.70 = 8,887.79 : x
  2. Step 2: Convert to fraction form
    26,663.38/39,981.70 = 8,887.79/x
  3. Step 3: Cross multiply
    26,663.38x = 39,981.70 × 8,887.79
  4. Step 4: Simplify right side
    26,663.38x = 355,349,064.51
  5. Step 5: Solve for x
    x = 355,349,064.51/26,663.38
  6. Step 6: Final answer
    x = 13,327.23

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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.