Home / 27,458.46-37,888.71-15,358.88

Finding the Fourth Proportional to 27,458.46, 37,888.71 and 15,358.88

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Solution

The fourth proportional to 27,458.46, 37,888.71 and 15,358.88 is: 21,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.46 : 37,888.71 = 15,358.88 : x
  2. Step 2: Convert to fraction form
    27,458.46/37,888.71 = 15,358.88/x
  3. Step 3: Cross multiply
    27,458.46x = 37,888.71 × 15,358.88
  4. Step 4: Simplify right side
    27,458.46x = 581,928,150.24
  5. Step 5: Solve for x
    x = 581,928,150.24/27,458.46
  6. Step 6: Final answer
    x = 21,193.04

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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.