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Finding the Fourth Proportional to 35,258.48, 52,887.88 and 11,885.12

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Solution

The fourth proportional to 35,258.48, 52,887.88 and 11,885.12 is: 17,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,258.48 : 52,887.88 = 11,885.12 : x
  2. Step 2: Convert to fraction form
    35,258.48/52,887.88 = 11,885.12/x
  3. Step 3: Cross multiply
    35,258.48x = 52,887.88 × 11,885.12
  4. Step 4: Simplify right side
    35,258.48x = 628,578,800.35
  5. Step 5: Solve for x
    x = 628,578,800.35/35,258.48
  6. Step 6: Final answer
    x = 17,827.73

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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.