Home / 26,332.35-36,335.91-15,720.54

Finding the Fourth Proportional to 26,332.35, 36,335.91 and 15,720.54

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Solution

The fourth proportional to 26,332.35, 36,335.91 and 15,720.54 is: 21,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,332.35 : 36,335.91 = 15,720.54 : x
  2. Step 2: Convert to fraction form
    26,332.35/36,335.91 = 15,720.54/x
  3. Step 3: Cross multiply
    26,332.35x = 36,335.91 × 15,720.54
  4. Step 4: Simplify right side
    26,332.35x = 571,220,126.59
  5. Step 5: Solve for x
    x = 571,220,126.59/26,332.35
  6. Step 6: Final answer
    x = 21,692.71

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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.