Home / 27,947.17-38,566.29-15,371.92

Finding the Fourth Proportional to 27,947.17, 38,566.29 and 15,371.92

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Solution

The fourth proportional to 27,947.17, 38,566.29 and 15,371.92 is: 21,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.17 : 38,566.29 = 15,371.92 : x
  2. Step 2: Convert to fraction form
    27,947.17/38,566.29 = 15,371.92/x
  3. Step 3: Cross multiply
    27,947.17x = 38,566.29 × 15,371.92
  4. Step 4: Simplify right side
    27,947.17x = 592,837,924.58
  5. Step 5: Solve for x
    x = 592,837,924.58/27,947.17
  6. Step 6: Final answer
    x = 21,212.81

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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.