Home / 35,635.55-53,402.09-15,620.85

Finding the Fourth Proportional to 35,635.55, 53,402.09 and 15,620.85

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Solution

The fourth proportional to 35,635.55, 53,402.09 and 15,620.85 is: 23,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.55 : 53,402.09 = 15,620.85 : x
  2. Step 2: Convert to fraction form
    35,635.55/53,402.09 = 15,620.85/x
  3. Step 3: Cross multiply
    35,635.55x = 53,402.09 × 15,620.85
  4. Step 4: Simplify right side
    35,635.55x = 834,185,959.47
  5. Step 5: Solve for x
    x = 834,185,959.47/35,635.55
  6. Step 6: Final answer
    x = 23,408.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.