Home / 26,717.79-40,085.89-11,936.91

Finding the Fourth Proportional to 26,717.79, 40,085.89 and 11,936.91

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Solution

The fourth proportional to 26,717.79, 40,085.89 and 11,936.91 is: 17,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.79 : 40,085.89 = 11,936.91 : x
  2. Step 2: Convert to fraction form
    26,717.79/40,085.89 = 11,936.91/x
  3. Step 3: Cross multiply
    26,717.79x = 40,085.89 × 11,936.91
  4. Step 4: Simplify right side
    26,717.79x = 478,501,661.20
  5. Step 5: Solve for x
    x = 478,501,661.20/26,717.79
  6. Step 6: Final answer
    x = 17,909.48

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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.