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Finding the Fourth Proportional to 24,885, 34,345.14 and 15,453.96

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Solution

The fourth proportional to 24,885, 34,345.14 and 15,453.96 is: 21,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,885 : 34,345.14 = 15,453.96 : x
  2. Step 2: Convert to fraction form
    24,885/34,345.14 = 15,453.96/x
  3. Step 3: Cross multiply
    24,885x = 34,345.14 × 15,453.96
  4. Step 4: Simplify right side
    24,885x = 530,768,419.75
  5. Step 5: Solve for x
    x = 530,768,419.75/24,885
  6. Step 6: Final answer
    x = 21,328.85

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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.