Home / 19,412.32-26,788.08-11,028.64

Finding the Fourth Proportional to 19,412.32, 26,788.08 and 11,028.64

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Solution

The fourth proportional to 19,412.32, 26,788.08 and 11,028.64 is: 15,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.32 : 26,788.08 = 11,028.64 : x
  2. Step 2: Convert to fraction form
    19,412.32/26,788.08 = 11,028.64/x
  3. Step 3: Cross multiply
    19,412.32x = 26,788.08 × 11,028.64
  4. Step 4: Simplify right side
    19,412.32x = 295,436,090.61
  5. Step 5: Solve for x
    x = 295,436,090.61/19,412.32
  6. Step 6: Final answer
    x = 15,219.00

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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.