Home / 28,208.24-38,911.56-19,252.88

Finding the Fourth Proportional to 28,208.24, 38,911.56 and 19,252.88

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Solution

The fourth proportional to 28,208.24, 38,911.56 and 19,252.88 is: 26,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.24 : 38,911.56 = 19,252.88 : x
  2. Step 2: Convert to fraction form
    28,208.24/38,911.56 = 19,252.88/x
  3. Step 3: Cross multiply
    28,208.24x = 38,911.56 × 19,252.88
  4. Step 4: Simplify right side
    28,208.24x = 749,159,595.29
  5. Step 5: Solve for x
    x = 749,159,595.29/28,208.24
  6. Step 6: Final answer
    x = 26,558.18

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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.