Home / 26,786.02-36,957.21-21,103.13

Finding the Fourth Proportional to 26,786.02, 36,957.21 and 21,103.13

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Solution

The fourth proportional to 26,786.02, 36,957.21 and 21,103.13 is: 29,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786.02 : 36,957.21 = 21,103.13 : x
  2. Step 2: Convert to fraction form
    26,786.02/36,957.21 = 21,103.13/x
  3. Step 3: Cross multiply
    26,786.02x = 36,957.21 × 21,103.13
  4. Step 4: Simplify right side
    26,786.02x = 779,912,807.07
  5. Step 5: Solve for x
    x = 779,912,807.07/26,786.02
  6. Step 6: Final answer
    x = 29,116.41

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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.