Home / 26,819.28-37,010.16-15,488.64

Finding the Fourth Proportional to 26,819.28, 37,010.16 and 15,488.64

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Solution

The fourth proportional to 26,819.28, 37,010.16 and 15,488.64 is: 21,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.28 : 37,010.16 = 15,488.64 : x
  2. Step 2: Convert to fraction form
    26,819.28/37,010.16 = 15,488.64/x
  3. Step 3: Cross multiply
    26,819.28x = 37,010.16 × 15,488.64
  4. Step 4: Simplify right side
    26,819.28x = 573,237,044.58
  5. Step 5: Solve for x
    x = 573,237,044.58/26,819.28
  6. Step 6: Final answer
    x = 21,374.07

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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.