Home / 19,927.39-27,500.65-11,431.91

Finding the Fourth Proportional to 19,927.39, 27,500.65 and 11,431.91

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Solution

The fourth proportional to 19,927.39, 27,500.65 and 11,431.91 is: 15,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.39 : 27,500.65 = 11,431.91 : x
  2. Step 2: Convert to fraction form
    19,927.39/27,500.65 = 11,431.91/x
  3. Step 3: Cross multiply
    19,927.39x = 27,500.65 × 11,431.91
  4. Step 4: Simplify right side
    19,927.39x = 314,384,955.74
  5. Step 5: Solve for x
    x = 314,384,955.74/19,927.39
  6. Step 6: Final answer
    x = 15,776.52

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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.