Home / 28,092.81-38,763.46-16,606.12

Finding the Fourth Proportional to 28,092.81, 38,763.46 and 16,606.12

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Solution

The fourth proportional to 28,092.81, 38,763.46 and 16,606.12 is: 22,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.81 : 38,763.46 = 16,606.12 : x
  2. Step 2: Convert to fraction form
    28,092.81/38,763.46 = 16,606.12/x
  3. Step 3: Cross multiply
    28,092.81x = 38,763.46 × 16,606.12
  4. Step 4: Simplify right side
    28,092.81x = 643,710,668.38
  5. Step 5: Solve for x
    x = 643,710,668.38/28,092.81
  6. Step 6: Final answer
    x = 22,913.72

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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.