Home / 26,112.76-36,031.98-15,358.12

Finding the Fourth Proportional to 26,112.76, 36,031.98 and 15,358.12

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Solution

The fourth proportional to 26,112.76, 36,031.98 and 15,358.12 is: 21,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.76 : 36,031.98 = 15,358.12 : x
  2. Step 2: Convert to fraction form
    26,112.76/36,031.98 = 15,358.12/x
  3. Step 3: Cross multiply
    26,112.76x = 36,031.98 × 15,358.12
  4. Step 4: Simplify right side
    26,112.76x = 553,383,472.68
  5. Step 5: Solve for x
    x = 553,383,472.68/26,112.76
  6. Step 6: Final answer
    x = 21,192.07

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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.