Home / 28,228.62-38,955.54-16,898.58

Finding the Fourth Proportional to 28,228.62, 38,955.54 and 16,898.58

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Solution

The fourth proportional to 28,228.62, 38,955.54 and 16,898.58 is: 23,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.62 : 38,955.54 = 16,898.58 : x
  2. Step 2: Convert to fraction form
    28,228.62/38,955.54 = 16,898.58/x
  3. Step 3: Cross multiply
    28,228.62x = 38,955.54 × 16,898.58
  4. Step 4: Simplify right side
    28,228.62x = 658,293,309.13
  5. Step 5: Solve for x
    x = 658,293,309.13/28,228.62
  6. Step 6: Final answer
    x = 23,320.07

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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.