Home / 28,445.36-39,244.92-17,265.20

Finding the Fourth Proportional to 28,445.36, 39,244.92 and 17,265.20

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Solution

The fourth proportional to 28,445.36, 39,244.92 and 17,265.20 is: 23,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.36 : 39,244.92 = 17,265.20 : x
  2. Step 2: Convert to fraction form
    28,445.36/39,244.92 = 17,265.20/x
  3. Step 3: Cross multiply
    28,445.36x = 39,244.92 × 17,265.20
  4. Step 4: Simplify right side
    28,445.36x = 677,571,392.78
  5. Step 5: Solve for x
    x = 677,571,392.78/28,445.36
  6. Step 6: Final answer
    x = 23,820.10

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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.