Home / 26,490.24-36,588.87-19,805.55

Finding the Fourth Proportional to 26,490.24, 36,588.87 and 19,805.55

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Solution

The fourth proportional to 26,490.24, 36,588.87 and 19,805.55 is: 27,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.24 : 36,588.87 = 19,805.55 : x
  2. Step 2: Convert to fraction form
    26,490.24/36,588.87 = 19,805.55/x
  3. Step 3: Cross multiply
    26,490.24x = 36,588.87 × 19,805.55
  4. Step 4: Simplify right side
    26,490.24x = 724,662,694.23
  5. Step 5: Solve for x
    x = 724,662,694.23/26,490.24
  6. Step 6: Final answer
    x = 27,355.84

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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.