Home / 19,230.19-28,844.44-13,615.82

Finding the Fourth Proportional to 19,230.19, 28,844.44 and 13,615.82

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Solution

The fourth proportional to 19,230.19, 28,844.44 and 13,615.82 is: 20,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,230.19 : 28,844.44 = 13,615.82 : x
  2. Step 2: Convert to fraction form
    19,230.19/28,844.44 = 13,615.82/x
  3. Step 3: Cross multiply
    19,230.19x = 28,844.44 × 13,615.82
  4. Step 4: Simplify right side
    19,230.19x = 392,740,689.78
  5. Step 5: Solve for x
    x = 392,740,689.78/19,230.19
  6. Step 6: Final answer
    x = 20,423.14

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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.