Home / 26,711.16-36,822.06-21,027.68

Finding the Fourth Proportional to 26,711.16, 36,822.06 and 21,027.68

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Solution

The fourth proportional to 26,711.16, 36,822.06 and 21,027.68 is: 28,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,711.16 : 36,822.06 = 21,027.68 : x
  2. Step 2: Convert to fraction form
    26,711.16/36,822.06 = 21,027.68/x
  3. Step 3: Cross multiply
    26,711.16x = 36,822.06 × 21,027.68
  4. Step 4: Simplify right side
    26,711.16x = 774,282,494.62
  5. Step 5: Solve for x
    x = 774,282,494.62/26,711.16
  6. Step 6: Final answer
    x = 28,987.23

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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.