Home / 19,573.38-27,033.68-12,888.88

Finding the Fourth Proportional to 19,573.38, 27,033.68 and 12,888.88

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Solution

The fourth proportional to 19,573.38, 27,033.68 and 12,888.88 is: 17,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.38 : 27,033.68 = 12,888.88 : x
  2. Step 2: Convert to fraction form
    19,573.38/27,033.68 = 12,888.88/x
  3. Step 3: Cross multiply
    19,573.38x = 27,033.68 × 12,888.88
  4. Step 4: Simplify right side
    19,573.38x = 348,433,822.12
  5. Step 5: Solve for x
    x = 348,433,822.12/19,573.38
  6. Step 6: Final answer
    x = 17,801.41

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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.