Home / 26,296.28-36,288.78-15,686.36

Finding the Fourth Proportional to 26,296.28, 36,288.78 and 15,686.36

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Solution

The fourth proportional to 26,296.28, 36,288.78 and 15,686.36 is: 21,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,296.28 : 36,288.78 = 15,686.36 : x
  2. Step 2: Convert to fraction form
    26,296.28/36,288.78 = 15,686.36/x
  3. Step 3: Cross multiply
    26,296.28x = 36,288.78 × 15,686.36
  4. Step 4: Simplify right side
    26,296.28x = 569,238,867.04
  5. Step 5: Solve for x
    x = 569,238,867.04/26,296.28
  6. Step 6: Final answer
    x = 21,647.13

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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.