Home / 27,947.58-38,567.84-15,200.94

Finding the Fourth Proportional to 27,947.58, 38,567.84 and 15,200.94

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Solution

The fourth proportional to 27,947.58, 38,567.84 and 15,200.94 is: 20,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.58 : 38,567.84 = 15,200.94 : x
  2. Step 2: Convert to fraction form
    27,947.58/38,567.84 = 15,200.94/x
  3. Step 3: Cross multiply
    27,947.58x = 38,567.84 × 15,200.94
  4. Step 4: Simplify right side
    27,947.58x = 586,267,421.77
  5. Step 5: Solve for x
    x = 586,267,421.77/27,947.58
  6. Step 6: Final answer
    x = 20,977.39

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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.