Home / 28,011.58-42,017.36-10,244.59

Finding the Fourth Proportional to 28,011.58, 42,017.36 and 10,244.59

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Solution

The fourth proportional to 28,011.58, 42,017.36 and 10,244.59 is: 15,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.58 : 42,017.36 = 10,244.59 : x
  2. Step 2: Convert to fraction form
    28,011.58/42,017.36 = 10,244.59/x
  3. Step 3: Cross multiply
    28,011.58x = 42,017.36 × 10,244.59
  4. Step 4: Simplify right side
    28,011.58x = 430,450,469.82
  5. Step 5: Solve for x
    x = 430,450,469.82/28,011.58
  6. Step 6: Final answer
    x = 15,366.88

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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.