Home / 27,842.63-38,423.03-15,267.38

Finding the Fourth Proportional to 27,842.63, 38,423.03 and 15,267.38

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Solution

The fourth proportional to 27,842.63, 38,423.03 and 15,267.38 is: 21,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.63 : 38,423.03 = 15,267.38 : x
  2. Step 2: Convert to fraction form
    27,842.63/38,423.03 = 15,267.38/x
  3. Step 3: Cross multiply
    27,842.63x = 38,423.03 × 15,267.38
  4. Step 4: Simplify right side
    27,842.63x = 586,618,731.31
  5. Step 5: Solve for x
    x = 586,618,731.31/27,842.63
  6. Step 6: Final answer
    x = 21,069.09

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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.