Home / 27,566.90-38,042.31-15,630.23

Finding the Fourth Proportional to 27,566.90, 38,042.31 and 15,630.23

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Solution

The fourth proportional to 27,566.90, 38,042.31 and 15,630.23 is: 21,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,566.90 : 38,042.31 = 15,630.23 : x
  2. Step 2: Convert to fraction form
    27,566.90/38,042.31 = 15,630.23/x
  3. Step 3: Cross multiply
    27,566.90x = 38,042.31 × 15,630.23
  4. Step 4: Simplify right side
    27,566.90x = 594,609,864.82
  5. Step 5: Solve for x
    x = 594,609,864.82/27,566.90
  6. Step 6: Final answer
    x = 21,569.71

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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.