Home / 27,947.13-38,562.80-15,846.95

Finding the Fourth Proportional to 27,947.13, 38,562.80 and 15,846.95

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Solution

The fourth proportional to 27,947.13, 38,562.80 and 15,846.95 is: 21,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.13 : 38,562.80 = 15,846.95 : x
  2. Step 2: Convert to fraction form
    27,947.13/38,562.80 = 15,846.95/x
  3. Step 3: Cross multiply
    27,947.13x = 38,562.80 × 15,846.95
  4. Step 4: Simplify right side
    27,947.13x = 611,102,491.41
  5. Step 5: Solve for x
    x = 611,102,491.41/27,947.13
  6. Step 6: Final answer
    x = 21,866.38

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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.