Home / 17,946.26-26,889.77-10,428.72

Finding the Fourth Proportional to 17,946.26, 26,889.77 and 10,428.72

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Solution

The fourth proportional to 17,946.26, 26,889.77 and 10,428.72 is: 15,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946.26 : 26,889.77 = 10,428.72 : x
  2. Step 2: Convert to fraction form
    17,946.26/26,889.77 = 10,428.72/x
  3. Step 3: Cross multiply
    17,946.26x = 26,889.77 × 10,428.72
  4. Step 4: Simplify right side
    17,946.26x = 280,425,882.19
  5. Step 5: Solve for x
    x = 280,425,882.19/17,946.26
  6. Step 6: Final answer
    x = 15,625.87

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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.