Home / 19,829.42-27,359.03-11,328.47

Finding the Fourth Proportional to 19,829.42, 27,359.03 and 11,328.47

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Solution

The fourth proportional to 19,829.42, 27,359.03 and 11,328.47 is: 15,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.42 : 27,359.03 = 11,328.47 : x
  2. Step 2: Convert to fraction form
    19,829.42/27,359.03 = 11,328.47/x
  3. Step 3: Cross multiply
    19,829.42x = 27,359.03 × 11,328.47
  4. Step 4: Simplify right side
    19,829.42x = 309,935,950.58
  5. Step 5: Solve for x
    x = 309,935,950.58/19,829.42
  6. Step 6: Final answer
    x = 15,630.11

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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.