Home / 19,325.43-26,722.78-15,339.62

Finding the Fourth Proportional to 19,325.43, 26,722.78 and 15,339.62

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Solution

The fourth proportional to 19,325.43, 26,722.78 and 15,339.62 is: 21,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.43 : 26,722.78 = 15,339.62 : x
  2. Step 2: Convert to fraction form
    19,325.43/26,722.78 = 15,339.62/x
  3. Step 3: Cross multiply
    19,325.43x = 26,722.78 × 15,339.62
  4. Step 4: Simplify right side
    19,325.43x = 409,917,319.00
  5. Step 5: Solve for x
    x = 409,917,319.00/19,325.43
  6. Step 6: Final answer
    x = 21,211.29

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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.