Home / 26,190.48-36,142.84-14,253.80

Finding the Fourth Proportional to 26,190.48, 36,142.84 and 14,253.80

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Solution

The fourth proportional to 26,190.48, 36,142.84 and 14,253.80 is: 19,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.48 : 36,142.84 = 14,253.80 : x
  2. Step 2: Convert to fraction form
    26,190.48/36,142.84 = 14,253.80/x
  3. Step 3: Cross multiply
    26,190.48x = 36,142.84 × 14,253.80
  4. Step 4: Simplify right side
    26,190.48x = 515,172,812.79
  5. Step 5: Solve for x
    x = 515,172,812.79/26,190.48
  6. Step 6: Final answer
    x = 19,670.23

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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.