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Finding the Fourth Proportional to 17,089.90, 25,598.40 and 14,902.90

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Solution

The fourth proportional to 17,089.90, 25,598.40 and 14,902.90 is: 22,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.90 : 25,598.40 = 14,902.90 : x
  2. Step 2: Convert to fraction form
    17,089.90/25,598.40 = 14,902.90/x
  3. Step 3: Cross multiply
    17,089.90x = 25,598.40 × 14,902.90
  4. Step 4: Simplify right side
    17,089.90x = 381,490,395.36
  5. Step 5: Solve for x
    x = 381,490,395.36/17,089.90
  6. Step 6: Final answer
    x = 22,322.56

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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.