Home / 19,282.88-26,608.32-10,899.20

Finding the Fourth Proportional to 19,282.88, 26,608.32 and 10,899.20

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Solution

The fourth proportional to 19,282.88, 26,608.32 and 10,899.20 is: 15,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.88 : 26,608.32 = 10,899.20 : x
  2. Step 2: Convert to fraction form
    19,282.88/26,608.32 = 10,899.20/x
  3. Step 3: Cross multiply
    19,282.88x = 26,608.32 × 10,899.20
  4. Step 4: Simplify right side
    19,282.88x = 290,009,401.34
  5. Step 5: Solve for x
    x = 290,009,401.34/19,282.88
  6. Step 6: Final answer
    x = 15,039.73

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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.