Home / 28,422.90-39,207.24-19,467.54

Finding the Fourth Proportional to 28,422.90, 39,207.24 and 19,467.54

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Solution

The fourth proportional to 28,422.90, 39,207.24 and 19,467.54 is: 26,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.90 : 39,207.24 = 19,467.54 : x
  2. Step 2: Convert to fraction form
    28,422.90/39,207.24 = 19,467.54/x
  3. Step 3: Cross multiply
    28,422.90x = 39,207.24 × 19,467.54
  4. Step 4: Simplify right side
    28,422.90x = 763,268,512.99
  5. Step 5: Solve for x
    x = 763,268,512.99/28,422.90
  6. Step 6: Final answer
    x = 26,854.00

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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.