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Finding the Fourth Proportional to 24,695.75, 34,079.86 and 13,364.99

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Solution

The fourth proportional to 24,695.75, 34,079.86 and 13,364.99 is: 18,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,695.75 : 34,079.86 = 13,364.99 : x
  2. Step 2: Convert to fraction form
    24,695.75/34,079.86 = 13,364.99/x
  3. Step 3: Cross multiply
    24,695.75x = 34,079.86 × 13,364.99
  4. Step 4: Simplify right side
    24,695.75x = 455,476,988.10
  5. Step 5: Solve for x
    x = 455,476,988.10/24,695.75
  6. Step 6: Final answer
    x = 18,443.54

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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.