Home / 27,710.73-38,228.63-16,956.11

Finding the Fourth Proportional to 27,710.73, 38,228.63 and 16,956.11

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Solution

The fourth proportional to 27,710.73, 38,228.63 and 16,956.11 is: 23,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,710.73 : 38,228.63 = 16,956.11 : x
  2. Step 2: Convert to fraction form
    27,710.73/38,228.63 = 16,956.11/x
  3. Step 3: Cross multiply
    27,710.73x = 38,228.63 × 16,956.11
  4. Step 4: Simplify right side
    27,710.73x = 648,208,901.77
  5. Step 5: Solve for x
    x = 648,208,901.77/27,710.73
  6. Step 6: Final answer
    x = 23,391.98

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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.