Home / 28,106.64-38,795.88-17,354.92

Finding the Fourth Proportional to 28,106.64, 38,795.88 and 17,354.92

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Solution

The fourth proportional to 28,106.64, 38,795.88 and 17,354.92 is: 23,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.64 : 38,795.88 = 17,354.92 : x
  2. Step 2: Convert to fraction form
    28,106.64/38,795.88 = 17,354.92/x
  3. Step 3: Cross multiply
    28,106.64x = 38,795.88 × 17,354.92
  4. Step 4: Simplify right side
    28,106.64x = 673,299,393.73
  5. Step 5: Solve for x
    x = 673,299,393.73/28,106.64
  6. Step 6: Final answer
    x = 23,955.17

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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.