Home / 38,540.28-57,810.36-10,838.28

Finding the Fourth Proportional to 38,540.28, 57,810.36 and 10,838.28

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Solution

The fourth proportional to 38,540.28, 57,810.36 and 10,838.28 is: 16,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,540.28 : 57,810.36 = 10,838.28 : x
  2. Step 2: Convert to fraction form
    38,540.28/57,810.36 = 10,838.28/x
  3. Step 3: Cross multiply
    38,540.28x = 57,810.36 × 10,838.28
  4. Step 4: Simplify right side
    38,540.28x = 626,564,868.58
  5. Step 5: Solve for x
    x = 626,564,868.58/38,540.28
  6. Step 6: Final answer
    x = 16,257.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.