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Finding the Fourth Proportional to 25,427, 35,089.74 and 14,817.26

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Solution

The fourth proportional to 25,427, 35,089.74 and 14,817.26 is: 20,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427 : 35,089.74 = 14,817.26 : x
  2. Step 2: Convert to fraction form
    25,427/35,089.74 = 14,817.26/x
  3. Step 3: Cross multiply
    25,427x = 35,089.74 × 14,817.26
  4. Step 4: Simplify right side
    25,427x = 519,933,800.91
  5. Step 5: Solve for x
    x = 519,933,800.91/25,427
  6. Step 6: Final answer
    x = 20,448.10

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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.