Home / 17,428.86-26,172.45-17,292.78

Finding the Fourth Proportional to 17,428.86, 26,172.45 and 17,292.78

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Solution

The fourth proportional to 17,428.86, 26,172.45 and 17,292.78 is: 25,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.86 : 26,172.45 = 17,292.78 : x
  2. Step 2: Convert to fraction form
    17,428.86/26,172.45 = 17,292.78/x
  3. Step 3: Cross multiply
    17,428.86x = 26,172.45 × 17,292.78
  4. Step 4: Simplify right side
    17,428.86x = 452,594,419.91
  5. Step 5: Solve for x
    x = 452,594,419.91/17,428.86
  6. Step 6: Final answer
    x = 25,968.10

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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.