Home / 27,950.48-38,569.94-15,203.55

Finding the Fourth Proportional to 27,950.48, 38,569.94 and 15,203.55

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Solution

The fourth proportional to 27,950.48, 38,569.94 and 15,203.55 is: 20,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.48 : 38,569.94 = 15,203.55 : x
  2. Step 2: Convert to fraction form
    27,950.48/38,569.94 = 15,203.55/x
  3. Step 3: Cross multiply
    27,950.48x = 38,569.94 × 15,203.55
  4. Step 4: Simplify right side
    27,950.48x = 586,400,011.29
  5. Step 5: Solve for x
    x = 586,400,011.29/27,950.48
  6. Step 6: Final answer
    x = 20,979.96

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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.