Home / 26,031.84-35,890.38-21,246.87

Finding the Fourth Proportional to 26,031.84, 35,890.38 and 21,246.87

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Solution

The fourth proportional to 26,031.84, 35,890.38 and 21,246.87 is: 29,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,031.84 : 35,890.38 = 21,246.87 : x
  2. Step 2: Convert to fraction form
    26,031.84/35,890.38 = 21,246.87/x
  3. Step 3: Cross multiply
    26,031.84x = 35,890.38 × 21,246.87
  4. Step 4: Simplify right side
    26,031.84x = 762,558,238.11
  5. Step 5: Solve for x
    x = 762,558,238.11/26,031.84
  6. Step 6: Final answer
    x = 29,293.29

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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.