Home / 27,732.41-38,271.50-16,977.07

Finding the Fourth Proportional to 27,732.41, 38,271.50 and 16,977.07

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Solution

The fourth proportional to 27,732.41, 38,271.50 and 16,977.07 is: 23,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,732.41 : 38,271.50 = 16,977.07 : x
  2. Step 2: Convert to fraction form
    27,732.41/38,271.50 = 16,977.07/x
  3. Step 3: Cross multiply
    27,732.41x = 38,271.50 × 16,977.07
  4. Step 4: Simplify right side
    27,732.41x = 649,737,934.51
  5. Step 5: Solve for x
    x = 649,737,934.51/27,732.41
  6. Step 6: Final answer
    x = 23,428.83

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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.