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Finding the Fourth Proportional to 24,936, 34,412.40 and 13,758.72

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Solution

The fourth proportional to 24,936, 34,412.40 and 13,758.72 is: 18,987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,936 : 34,412.40 = 13,758.72 : x
  2. Step 2: Convert to fraction form
    24,936/34,412.40 = 13,758.72/x
  3. Step 3: Cross multiply
    24,936x = 34,412.40 × 13,758.72
  4. Step 4: Simplify right side
    24,936x = 473,470,576.13
  5. Step 5: Solve for x
    x = 473,470,576.13/24,936
  6. Step 6: Final answer
    x = 18,987.43

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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.