Home / 28,032.85-38,694.71-16,705.90

Finding the Fourth Proportional to 28,032.85, 38,694.71 and 16,705.90

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Solution

The fourth proportional to 28,032.85, 38,694.71 and 16,705.90 is: 23,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.85 : 38,694.71 = 16,705.90 : x
  2. Step 2: Convert to fraction form
    28,032.85/38,694.71 = 16,705.90/x
  3. Step 3: Cross multiply
    28,032.85x = 38,694.71 × 16,705.90
  4. Step 4: Simplify right side
    28,032.85x = 646,429,955.79
  5. Step 5: Solve for x
    x = 646,429,955.79/28,032.85
  6. Step 6: Final answer
    x = 23,059.73

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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.