Home / 26,420.06-36,430.40-16,844.78

Finding the Fourth Proportional to 26,420.06, 36,430.40 and 16,844.78

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Solution

The fourth proportional to 26,420.06, 36,430.40 and 16,844.78 is: 23,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.06 : 36,430.40 = 16,844.78 : x
  2. Step 2: Convert to fraction form
    26,420.06/36,430.40 = 16,844.78/x
  3. Step 3: Cross multiply
    26,420.06x = 36,430.40 × 16,844.78
  4. Step 4: Simplify right side
    26,420.06x = 613,661,806.94
  5. Step 5: Solve for x
    x = 613,661,806.94/26,420.06
  6. Step 6: Final answer
    x = 23,227.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.