Home / 27,866.79-38,453.63-16,534.34

Finding the Fourth Proportional to 27,866.79, 38,453.63 and 16,534.34

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Solution

The fourth proportional to 27,866.79, 38,453.63 and 16,534.34 is: 22,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,866.79 : 38,453.63 = 16,534.34 : x
  2. Step 2: Convert to fraction form
    27,866.79/38,453.63 = 16,534.34/x
  3. Step 3: Cross multiply
    27,866.79x = 38,453.63 × 16,534.34
  4. Step 4: Simplify right side
    27,866.79x = 635,805,117.71
  5. Step 5: Solve for x
    x = 635,805,117.71/27,866.79
  6. Step 6: Final answer
    x = 22,815.87

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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.