Home / 19,209.28-26,508.78-10,825.72

Finding the Fourth Proportional to 19,209.28, 26,508.78 and 10,825.72

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Solution

The fourth proportional to 19,209.28, 26,508.78 and 10,825.72 is: 14,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.28 : 26,508.78 = 10,825.72 : x
  2. Step 2: Convert to fraction form
    19,209.28/26,508.78 = 10,825.72/x
  3. Step 3: Cross multiply
    19,209.28x = 26,508.78 × 10,825.72
  4. Step 4: Simplify right side
    19,209.28x = 286,976,629.82
  5. Step 5: Solve for x
    x = 286,976,629.82/19,209.28
  6. Step 6: Final answer
    x = 14,939.48

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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.