Home / 26,028.12-35,922.06-15,421.80

Finding the Fourth Proportional to 26,028.12, 35,922.06 and 15,421.80

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Solution

The fourth proportional to 26,028.12, 35,922.06 and 15,421.80 is: 21,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,028.12 : 35,922.06 = 15,421.80 : x
  2. Step 2: Convert to fraction form
    26,028.12/35,922.06 = 15,421.80/x
  3. Step 3: Cross multiply
    26,028.12x = 35,922.06 × 15,421.80
  4. Step 4: Simplify right side
    26,028.12x = 553,982,824.91
  5. Step 5: Solve for x
    x = 553,982,824.91/26,028.12
  6. Step 6: Final answer
    x = 21,284.01

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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.