Home / 26,938.86-40,389.51-11,937.81

Finding the Fourth Proportional to 26,938.86, 40,389.51 and 11,937.81

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Solution

The fourth proportional to 26,938.86, 40,389.51 and 11,937.81 is: 17,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,938.86 : 40,389.51 = 11,937.81 : x
  2. Step 2: Convert to fraction form
    26,938.86/40,389.51 = 11,937.81/x
  3. Step 3: Cross multiply
    26,938.86x = 40,389.51 × 11,937.81
  4. Step 4: Simplify right side
    26,938.86x = 482,162,296.37
  5. Step 5: Solve for x
    x = 482,162,296.37/26,938.86
  6. Step 6: Final answer
    x = 17,898.39

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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.