Home / 17,905.79-26,814.94-15,456.35

Finding the Fourth Proportional to 17,905.79, 26,814.94 and 15,456.35

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Solution

The fourth proportional to 17,905.79, 26,814.94 and 15,456.35 is: 23,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.79 : 26,814.94 = 15,456.35 : x
  2. Step 2: Convert to fraction form
    17,905.79/26,814.94 = 15,456.35/x
  3. Step 3: Cross multiply
    17,905.79x = 26,814.94 × 15,456.35
  4. Step 4: Simplify right side
    17,905.79x = 414,461,126.27
  5. Step 5: Solve for x
    x = 414,461,126.27/17,905.79
  6. Step 6: Final answer
    x = 23,146.76

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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.